These are my predictions for the Pokemon anime. (If you want to go to specific series, use the contents just below)

Sun & Moon series

My team predictions for characters in the Sun & Moon series. If you want to keep up with Sun & Moon series, check out List of Sun & Moon series episodes.

Main Characters

Ash Ketchum

After completing the first Trial, Ash will leave school to do the others, and participate in the Alola League.
Pikachu♂	Will not evolve (duh). Ability: Static Possible new moves: N/A Z-Move: Gigavolt Havoc, Breakneck Blitz, Corkscrew Crash, Catastropika
Egg → Rowlet → Dartrix → Decidueye♂	Ability: Overgrow Possible new moves: Razor Leaf Pluck Spirit Shackle Energy Ball Grass Knot Growl Fury Attack Z-Move: Breakneck Blitz, Bloom Doom
Rockruff → Lycanroc♀	Ability: Keen Eye Possible new moves: Z-Move: Breakneck Blitz, Continental Crush
Litten → Torracat♀	Ability: Blaze Possible new moves: Fury Swipes Bite Growl Z-Move: Inferno Overdrive
Poipole → Naganadel	It might be released into Ultra Space* Ability: Beast Boost Possible moves:
Pikipek → Trumbeak → Toucannon♂	Will catch it. Ability: Keen Eye Possible moves: Z-Move: Supersonic Skystrike
Passimian♂	Ability: Receiver Possible moves: Z-Move: All-Out Pummeling

Temporary

Nebby

Ability: Full Metal Body
Sturdy (as Cosmoem)
Unaware (as Cosmog)

Possible moves:
Z-Move: Shattered Psyche

At Oak's Lab

Bulbasaur♂	Ability: Overgrow Possible new moves: Energy Ball Cut Poison Powder Z-Move: Bloom Doom
Charmander → Charmeleon → Charizard♂	Ability: Blaze Possible new moves: Mega Punch* Fly* Dragon Claw Z-Move: Inferno Overdrive
Krabby → Kingler♂	Ability: Hyper Cutter Possible new moves: Metal Claw Ice Beam Surf Z-Move: Hydro Vortex
Muk♂	Ability: Stench Possible new moves: Poison Gas Venoshock Sludge Wave Sludge Return Poison Jab Z-Move: Acid Downpour
Tauros (x30)♂	It's revealed that Ash always battles with the leader of the herd. Ability: Anger Point* Possible new moves: Zen Headbutt Work Up Retaliate Thrash Bulldoze Z-Move: Breakneck Blitz
Snorlax♂	Ability: Thick Fat Possible new moves: Heavy Slam Sleep Talk Power-Up Punch Z-Move: Pulverizing Pancake
Heracross♂	Ability: Guts Possible new moves: Pin Missile Struggle Bug Bullet Seed Aerial Ace Z-Move: Savage Spin-Out
Chikorita → Bayleef♀	Ability: Overgrow Possible new moves: Synthesis Solar Beam Magical Leaf Z-Move: Bloom Doom
Cyndaquil → Quilava♂	Ability: Blaze Possible new moves: N/A Z-Move: Inferno Overdrive
Totodile♂	Ability: Torrent Possible new moves: Aqua Tail Shadow Claw Swords Dance Ice Fang Crunch Z-Move: Hydro Vortex
Noctowl♂	Ability: Insomnia Possible new moves: Aerial Ace Steel Wing Z-Move: Supersonic Skystrike
Egg → Phanpy → Donphan♂	Ability: Sturdy Possible new moves: Slam Sandstorm Z-Move: Tectonic Rage
Taillow → Swellow♂	Ability: Guts Possible new moves: Brave Bird Air Slash Steel Wing Roost Z-Move: Supersonic Skystrike
Treeko → Grovyle → Sceptile♂	Ability: Overgrow Possible new moves: Dragon Claw X-Scissor Grass Knot Brick Break Z-Move: Bloom Doom
Corphish♀	Ability: Hyper Cutter Possible new moves: Ice Beam Water Pulse Waterfall Knock Off Taunt Double Team Aqua Jet Z-Move: Hydro Vortex
Torkoal♂	Ability: White Smoke Possible new moves: Inferno Rapid Spin Smokescreen Earthquake Rock Slide Flame Charge Z-Move: Inferno Overdrive
Snorunt → Glalie♂	Ability: Ice Body Possible new moves: Blizzard Attract Signal Beam Frost Breath Freeze-Dry Z-Move: Subzero Slammer
Starly → Staravia → Staraptor♂	Ability: Intimidate Possible new moves: N/A Z-Move: Supersonic Skystrike
Turtwig → Grotle → Torterra♂	Ability: Overgrow Possible new moves: Giga Drain Wood Hammer Earthquake Z-Move: Tectonic Rage
Chimchar → Monferno → Infernape♂	Ability: Blaze Possible new moves: Fire Blast Ice Punch Z-Move: Inferno Overdrive*
Buizel♂	Ability: Swift Swim Possible new moves: Whirlpool Agility Bulk Up Bulk Up Muddy Water Z-Move: Hydro Vortex
Gligar → Gliscor♂	Ability: Sand Veil Possible new moves: Slash Sky Uppercut Sandstorm Z-Move: Tectonic Rage
Gible♂	Ability: Sand Veil Possible new moves: Rock Tomb Roar Hidden Power Rock Climb Z-Move: Devastating Drake
Pidove → Tranquill → Unfezant♀	Ability: Super Luck Possible new moves: Feather Dance Air Slash Sky Attack Hyper Beam Z-Move: Supersonic Skystrike
Oshawott♂	Ability: Torrent Possible new moves: Aqua Tail Water Pulse Scald Z-Move: Hydro Vortex
Tepig → Pignite♂	Ability: Blaze Possible new moves: Heat Crash Gyro Ball Z-Move: Inferno Overdrive
Snivy♀	Ability: Overgrow Possible new moves: Magical Leaf Grass Knot Giga Drain Razor Leaf Z-move: Bloom Doom
Egg → Scraggy♂	Ability: Moxie Possible new moves: Low Kick Power-Up Punch Head Smash Zen Headbutt Strength Smack Down Z-Move: All-Out Pummeling
Sewaddle → Swadloon → Leavanny♂	Ability: Swarm Possible new moves: Leaf Blade Bug Buzz Synthesis Struggle Bug Fell Stinger Z-Move: Savage Spin-Out
Palpitoad♂	Ability: Swift Swim Possible new moves: Muddy Water Toxic Bulldoze Mud Bomb Sludge Bomb Echoed Voice Z-Move: Tectonic Rage
Roggenrola → Boldore♂	Ability: Sturdy Possible new moves: Iron Defense Power Gem Rock Slide Stealth Rock Z-Move: Continental Crush
Sandile → Krokorok → Krookodile♂	Ability: Moxie Possible new moves: Dragon Tail Earthquake Shadow Claw Thrash Aqua Tail Z-Move: Tectonic Rage
Fletchling → Fletchinder → Talonflame♂	Ability: Flame Body Possible new moves: Fly Roost Flare Blitz Ember Acrobatics Z-Move: Supersonic Skystrike
Hawlucha♂	Ability: Unburden Possible new moves: Bounce Swords Dance Bulk Up Brick Break Strength U-turn Z-Move: All-Out Pummeling
Egg → Noibat → Noivern♂	Ability: Infiltrator Possible new moves: Dragon Pulse Hurricane Aerial Ace Dark Pulse Protect Z-Move: Devastating Drake

Other

Squirtle♂	Will stay with the Squirtle Squad. Ability: Torrent
Mankey → Primeape♂	Professor Oak will get Primeape back from Anthony. Ability: Anger Point Possible new moves: Karate Chop Brick Break Cross Chop Close Combat Power-Up Punch Z-Move: All-Out Pummeling
Goomy → Sliggoo → Goodra♂	Ability: Hydration Possible new moves: Outrage Aqua Tail Toxic Sludge Wave Thunderbolt

Lana


Popplio♂	Ability: Torrent Possible new moves: Water Gun Z-Move: Hydro Vortex
Wishiwashi♂	Ability: Schooling Possible moves: Z-Move: Hydro Vortex

At Home

Lapras♀

Ability: Shell Armor

Possible new moves:
Z-Move: Hydro Vortex

Kiawe


Charizard♂	Ability: Blaze Possible new moves: Z-Move: Inferno Overdrive
Turtonator♂	Ability: Shell Armor Possible new moves: Z-Move: Inferno Overdrive, Devastating Drake
Marowak♂	Ability: Cursed Body Possible new moves: Z-Move: Never-Ending Nightmare

Lillie

She's afraid of Pokémon because she found Cosmog, her mother scared it, and Cosmog accidentally used it's power on Lillie.
Snowy♀	Ability: Snow Cloak Possible new moves: Aurora Beam Ice Shard Icy Wind Tail Whip Z-Move: Subzero Slammer

Temporary

Cosmog → Cosmoem → Lunala

Ability: Shadow Shield
Sturdy (as Cosmoem)
Unaware (as Cosmog)

Possible moves:
Z-Move: Shattered Psyche

Sophocles


Togedemaru♀	Ability: Lightning Rod Possible new moves: Thunderbolt Thunder Shock Metal Sound Iron Head Z-Move: Gigavolt Havoc
Charjabug → Vikavolt♂	Ability: Levitate Battery (as Charjabug) Possible new moves: Z-Move: Savage Spin-Out
Pikachu → Raichu♀	Ability: Surge Surfer Static (as Pikachu) Possible moves: Z-Move: Stoked Sparksurfer

Mallow


Bounsweet → Steenee♀	Ability: Leaf Guard Possible new moves: Z-Move: Bloom Doom
Fomantis♀	Ability: Leaf Guard Possible moves: Z-Move: Bloom Doom

Rival Characters

Gladion

Left his family (and the Aether Foundation) after what happened to Lillie.
Type: Null → Silvally	Was stolen by Gladion before leaving his mother. Ability: RKS System Battle Armor (as Type Null) Possible new moves:
Eevee → Umbreon♂	Ability: Inner Focus Anticipation (as Eevee) Possible new moves:
Lycanroc♂	Ability: Keen Eye Possible new moves:

Supporting Characters

Delia Ketchum


Mimey♂	Ability: Filter Possible new moves:

Professor Oak


Charmander → Charmeleon♀	Ability: Blaze
Pidgey♂	Ability: Keen Eye
Dragonite♂	Ability: Inner Focus
Rotom	Ability: Levitate Possible new moves:

Professor Kukui


Rotom	I'm thinking that in a Team Skull/Aether Foundation arc, the Pokédex will get destroyed. Ability: Levitate

Samson Oak

All the Pokémon School Pokémon are his.
Komala♂	Ability: Comatose Possible new moves: Z-Move: Breakneck Blitz
Egg → Vulpix♂	Ability: Flash Fire Possible new moves:
Tauros (multiple)♂	Ability: Anger Point and Intimidate Possible new moves:
Exeggutor♂	Ability: Frisk Possible new moves:

Hala


Hariyama♂	Ability: Thick Fat Possible new moves: Close Combat Brick Break Vital Throw Force Palm Wake-Up Slap Heavy Slam Smelling Salts Z-Move: All-Out Pummeling
Crabrawler → Crabominable♂	Ability: Iron Fist Possible new moves: Crabhammer Rock Smash Close Combat Ice Punch Ice Hammer Z-Move: All-Out Pummeling, Subzero Slammer
Poliwrath♂	Ability: Water Absorb Possible moves: Z-Move: All-Out Pummeling, Hydro Vortex

Evil Characters

Jessie


Wobbuffet♂	Ability: Shadow Tag Possible new moves: N/A Z-Move: Shattered Psyche
Mimikyu♀	Ability: Disguise Possible new moves: Shadow Sneak Work Up Frustration Z-Move: Never-Ending Nightmare
Salandit → Salazzle♀	Ability: Corrosion Possible moves: Z-Move: Acid Downpour

At Team Rocket HQ

Seviper♀	Ability: Shed Skin Possible new moves:
Yanma → Yanmega♀	Ability: Speed Boost Possible new moves:
Woobat♂	Ability: Unaware Possible new moves:
Frillish♀	Ability: Water Absorb Possible new moves:
Pumpkaboo → Gourgeist♀	Ability: Frisk Possible new moves:

James


Mareanie → Toxapex♀	Ability: Merciless Possible new moves: Z-Move: Acid Downpour
Dewpider♂	Ability: Water Bubble Possible moves: Z-Move: Savage Spin-Out

At Team Rocket HQ

Mime Jr.♀	Ability: Filter Possible new moves:
Carnivine♂	Ability: Levitate Possible new moves:
Yamask♂	Ability: Mummy Possible new moves:
Amoonguss♂	Ability: Effect Spore Possible new moves:
Inkay♂	Ability: Suction Cups Possible new moves:

At James's parents Vacation Homes/Mansions

Growlie♂	Ability: Intimidate Possible new moves:
Chimecho♂	Ability: Levitate Possible new moves:

Other

Cacnea♂

Ability: Sand Veil

Possible new moves:

Meowth

Meowth♂

Ability: Technician

Possible new moves: N/A
Z-Move: Breakneck Blitz

Bewear

Bewear♂

Ability: Fluffy

Possible new moves:
Z-Move: All-Out Pummeling

Giovanni


Persian♂	Ability: Limber Possible new moves:
Golem♂	Ability: Rock Head
Kingler (x2)♂	Ability: Hyper Cutter
Machamp♂	Ability: No Guard
Rhydon♂	Ability: Rock Head
Cloyster♂	Ability: Skill Link

Lusamine


Lilligant♀	Is the one from the picture. Ability: Chlorophyll Possible moves: Z-Move: Bloom Doom
Cleffa → Clefairy → Clefable♀	Is the one from the picture. Ability: Magic Guard Possible moves: Z-Move: Twinkle Tackle
Lillipup → Herdier → Stoutland♂	Is the one from the picture. Ability: Intimidate Possible moves: Z-Move: Breakneck Blitz

Guzma


Golisopod♂	Ability: Emergency Exit Possible moves: Z-Move: Savage Spin-Out, Hydro Vortex
Ariados♂	Ability: Swarm Possible moves: Z-Move: Savage Spin-Out, Acid Downpour

Past Characters

Traveling Companions

Misty

The team below is if Misty left Cerulean Gym.
Staryu	Ability: Natural Cure Possible new moves:
Psyduck♂	Ability: Cloud Nine Possible new moves:
Poliwag → Poliwhirl → Politoed♂	Ability: Drizzle Possible new moves:
Corsola♀	Ability: Natural Cure Possible new moves:
Magikarp → Gyarados ↔ Mega Gyarados♀	Ability: Intimidate Swift Swim (as Magikarp) Possible new moves:
Egg → Azurill → Marill♀	Will evolve in an on-screen battle. Ability: Thick Fat Possible new moves:

At Cerulean Gym

Goldeen♀	Has gotten much stronger. Ability: Swift Swim Possible new moves:
Starmie	Ability: Illuminate Possible new moves:
Horsea → Seadra♂	Will evolve off-screen. Ability: Poison Point Possible new moves:
Caserin♂	Ability: Swift Swim Possible new moves:

Other Pokémon Misty has access to

Seel → Dewgong♂	Ability: Thick Fat Possible new moves:
Luverin♀	Ability: Swift Swim Possible new moves:
Seaking♂	Goldeen (multiple)♂♀
Shellder (multiple)♂♀	Seel♀

Brock

Has become a great Pokémon doctor.
Onix → Steelix ↔ Mega Steelix♂	Ability: Rock Head Possible new moves:
Geodude → Graveler♂	Will evolve from future Gym Battles. Ability: Sturdy Possible new moves:
Zubat → Golbat → Crobat♀	Ability: Inner Focus Possible new moves:
Mudkip → Marshtomp → Swampert ↔ Mega Swampert♀	Was sent to Brock and evolved with him. Ability: Torrent Swift Swim (as Mega Swampert) Possible new moves:
Croagunk♂	Ability: Anticipation Possible new moves:
Egg → Happiny → Chansey♀	Ability: Serene Grace Possible new moves:

At Pewter Gym

Pineco → Forretress♂	Ability: Sturdy Possible new moves:
Lotad → Lembre → Ludicolo♂	Ability: Rain Dish Possible new moves:
Bonsly → Sudowoodo♂	Ability: Rock Head Possible new moves:

Tracey Sketchit


Venonat → Venomoth♂	Has evolved off-screen. Ability: Compound Eyes Posible new moves:
Marill♀	Ability: Thick Fat Possible new moves:
Scyther♂	Ability: Technician Possible new moves:

May


Torchic → Combusken → Blaziken♀	Ability: Blaze Possible new moves:
Bulbasaur → Ivysaur → Venusaur♀	Ability: Overgrow Possible new moves:
Munchlax♂	Ability: Thick Fat Possible new moves:
Squirtle → Wartortle → Blastoise♂	Has evolve off-screen. Ability: Torrent Possible new moves:
Egg → Eevee → Glaceon♀	Ability: Snow Cloak Run Away (as Eevee) Possible new moves:

At Petalburg Gym

Wurmple → Silcoon → Beautifly♀	Ability: Swarm Shed Skin (as Silcoon) Shield Dust (as Wurmple) Possible new moves:
Skitty♂	Ability: Cute Charm Possible new moves:

Dawn


Piplup♂	Ability: Torrent Possible new moves:
Buneary♀	Ability: Klutz Possible new moves:
Pachirisu♀	Ability: Run Away Possible new moves:
Swinub → Piloswine → Mamoswine♂	Ability: Snow Cloak Possible new moves:
Egg → Cyndaquil → Quilava → Typhlosion♂	Has to evolve because of Ash's Quilava. Ability: Blaze Possible new moves:
Togekiss♀	Ability: Serene Grace Possible new moves:

Other

Aipom → Ambipom♀

Is still with O.

Ability: Technician
Possible new moves:

Iris


Egg → Axew♂	Ability: Mold Breaker Possible new moves:
Drilbur → Excadrill♂	Ability: Sand Rush Possible new moves:
Emolga♀	Ability: Static Possible new moves:
Dragonite♂	Ability: Inner Focus Possible new moves:
Gible → Gabite♂	Will evolve in an on-screen battle. Ability: Sand Veil Possible new moves:

Cilan


Pansage♂	Ability: Gluttony Possible new moves:
Dwebble → Crustle♂	Ability: Sturdy Possible new moves:
Stunfisk♂	Ability: Static Possible new moves:

Serena


Fennekin → Braixen♀	Ability: Blaze Possible new moves: Mystical Fire Fire Spin Dazzling Gleam Calm Mind
Pancham♂	Ability: Scrappy Possible new moves: Comet Punch Crunch Bulk Up Grass Knot Entrainment Retaliate
Eevee → Sylveon♀	Ability: Pixilate Run Away (as Eevee) Possible new moves: Moonblast Draining Kiss Dazzling Gleam Calm Mind Charm
Rhyhorn♂	Grace will give her Rhyhorn to Serena. Ability: Rock Head Possible new moves:
Snorunt → Froslass♀	Will contrast Ash's Glalie. Ability: Snow Cloak Ice Body (as Snorunt) Possible moves:

Clemont


Helioptile → Heliolisk♂	Ability: Sand Veil Possible new moves: Wild Charge Thunder Charge Beam Thunder Punch
Magnemite	Ability: Sturdy Possible new moves: Magnet Bomb Thunderbolt Thunder Wave Explosion Gyro Ball
Magneton	Ability: Magnet Pull Possible new moves: Magnet Bomb Thunderbolt Thunder Wave Explosion Gyro Ball
Bunnelby♂	Ability: Cheek Pouch Possible new moves: Mud-Slap Bounce Agility Odor Sleuth Bulldoze Secret Power
Chespin♂	Ability: Overgrow Possible new moves: Rollout Leech Seed Seed Bomb Cut Return
Shinx → Luxio → Luxray♂	Ability: Intimidate Possible new moves: Crunch Thunder Light Screen Helping Hand
Mareep → Flaaffy♀	Ability: Static Possible moves:

Bonnie


Dedenne♂	Clemont will let Bonnie keep Dedenne. Ability: Cheek Pouch Possible new moves:

Rivals

Gary Oak

Still discovering new Pokémon and is trying out Mega Evolution or Z-Move's
Squirtle → Wartortle → Blastoise ↔ Mega Blastoise♂	Ability: Torrent Mega Launcher (as Mega Blastoise) Possible new moves: Z-Move: Hydro Vortex
Eevee → Umbreon♂	Ability: Synchronize Possible new moves: Z-Move: Black Hole Eclipse
Houndoom ↔ Mega Houndoom♀	Ability: Flash Fire Solar Power (as Mega Houndoom) Possible new moves: Z-Move: Black Hole Eclipse
Alakazam ↔ Mega Alakazam♂	Ability: Synchronize Trace (as Mega Alakazam) Possible new moves: Z-Move: Shattered Psyche
Magmar → Magmortar♂	Has evolved off-screen. Ability: Flame Body Possible new moves:
Scizor ↔ Mega Scizor♂	Ability: Swarm Technician (as Mega Scizor) Possible new moves: Z-Move: Savage Spin-Out

At Oak's Lab

Krabby♂	Hasen't been used in a very long time. Ability: Shell Armor Possible new moves:
Nidoking♂	Ability: Poison Point Possible new moves:
Growlithe → Arcanine♂	Ability: Flash Fire Possible new moves:
Doduo → Dodrio♂	Ability: Early Bird Possible new moves:
Nidoqueen♀	Ability: Rivalry Possible new moves:
Pinsir♂	Ability: Hyper Cutter
Fearow♂	Ability: Keen Eye
Skarmory♂	Ability: Sturdy
Kingdra♂	Ability: Sniper
Golem♂	Aility: Rock Head Possible new moves:
Electivire♂	Ability: Motor Drive Possible new moves: Z-Move: Gigavolt Havoc

Ritchie


Zippo♂	Ability: Blaze Possible new moves:
Sparky♂	Ability: Static Possible new moves:
Happy♂	Ability: Compound Eyes Possible new moves:
Tentacool → Tentacruel♂	Yes, I belive Ritchie owned the Tentacool. Ability: Clear Body Possible new moves:
Cruise♂	Ability: Shed Skin Possible new moves:
Rose♀	Ability: Guts Possible new moves:

Harrison


Torchic → Combusken → Blaziken♂	Ability: Blaze Possible new moves:
Houndoom♂	Ability: Early Bird Possible new moves:
Miltank♀	Ability: Thick Fat Possible new moves:
Kecleon♂	Ability: Color Change Possible new moves:
Hypno♂	Ability: Insomnia Possible new moves:
Steelix♂	Ability: Sturdy Possible new moves:
Sneasel♂	Ability: Inner Focus Possible new moves:

Drew


Roselia → Roserade♀	Ability: Natural Cure Possible new moves:
Masquerain♀	Ability: Intimidate Possible new moves:
Flygon♂	Ability: Levitate Possible new moves:
Absol♂	Ability: Pressure Possible new moves:
Butterfree♂	Ability: Compound Eyes Possible new moves:

Harley


Cacturne♂	Ability: Sand Veil Possible new moves:
Banette♂	Ability: Insomnia Possible new moves:
Ariados♂	Ability: Swarm Possible new moves:
Octillery♂	Ability: Sniper Possible new moves:
Wigglytuff♂	Ability: Competitive Possible new moves:

Paul


Turtwig → Grotle → Torterra♂	Ability: Overgrow Possible new moves:
Elekid → Electabuzz → Electivire♂	Ability: Motor Drive Static (as Elekid and Electabuzz) Possible new moves:
Murkrow → Honchkrow♂	Has become Paul's way of transportation. Ability: Super Luck Possible new moves:
Nidoking♂	Ability: Rivalry Possible new moves:
Kommo-o♂	Ability: Bulletproof Possible moves:
Dragalge♀	Ability: Poison Touch Possible moves:

With Reggie in Veilstone City

Weavile♂	Ability: Pressure Possible new moves:
Ninjask♀	Ability: Speed Boost Possible new moves:
Ursaring♂	Ability: Guts Possible new moves:
Gliscor♂	Ability: Hyper Cutter Possible new moves:
Magmar → Magmortar♂	Ability: Flame Body Possible new moves:
Hariyama♂	Ability: Thick Fat Possible new moves:
Lairon → Aggron♂	Ability: Rock Head Possible new moves:
Gastrodon♂	Ability: Sticky Hold Possible new moves:
Drapion♂	Ability: Battle Armor Possible new moves:
Froslass♀	Ability: Snow Cloak Possible new moves:

Bianca


Tepig → Pignite → Emboar♂	Ability: Blaze Possible new moves:
Minccino♂	Ability: Technician Possible new moves:
Karrablast → Escavalier♀	Ability: Shell Armor Possible new moves:

Alain


Charmander → Charmeleon → Charizard ↔ Mega Charizard X♂	Ability: Blaze Tough Claws (as Mega Charizard X) Possible new moves: Shadow Claw Flare Blitz Dragon Pulse Outrage Iron Tail Slash Dragon Dance
Beldum → Metang → Metagross	Was given by Steven Stone. Ability: Clear Body Possible new moves: Psychic Zen Headbutt Bullet Punch Iron Head Gravity Iron Defense Hammer Arm
Tyranitar♂	Ability: Sand Stream Possible new moves:
Weavile♀	Ability: Pressure Possible new moves:
Bisharp♂	Ability: Inner Focus Possible new moves:
Unfezant♂	Ability: Big Pecks Possible new moves:

Aria


Fennekin → Braixen → Delphox♀	Ability: Magician Possible new moves:
Aromatisse♀	Ability: Healer Possible new moves:
Vivillon♀	Ability: Compound Eyes Possible new moves:

Miette


Swirlix → Slurpuff♀	Was Miette's starter Pokémon. Ability: Sweet Veil Possible new moves:
Meowstic♂	Ability: Infiltrator Possible new moves:

Tierno


Squirtle → Wartortle → Blastoise♂	Ability: Torrent Possible new moves: Aqua Tail Rock Smash Flash Cannon Iron Defense Blizzard
Pikachu → Raichu♀	Was the first Pokemon Tierno Caught. Ability: Static Possible new moves:
Ludicolo♀	Ability: Swift Swim Possible new moves:
Hitmontop♂	Ability: Intimidate Possible new moves:
Politoed♀	Ability: Water Absorb Possible new moves:

Shauna


Bulbasaur → Ivysaur♀	Ability: Overgrow Possible new moves:
Flabébé♀	Ability: Flower Veil Possible new moves:
Swirlix♀	Will never actually see it.
Gothita♀	Will never actually see it.

Trevor


Charmander → Charmeleon → Charizard ↔ Mega Charizard Y♂	Ability: Blaze Drought (as Mega Charizard Y) Possible new moves: Inferno Dragon Pulse Fire Pledge Hone Claws Dragon Rage Power-Up Punch
Aerodactyl♂	Ability: Rock Head Possible new moves:
Florges♀	Ability: Flower Veil Possible new moves:

Nini


Smoochum♀	Ability: Oblivious Possible new moves:
Farfetch'd♂	Ability: Inner Focus Possible new moves:
Gothita♀	Ability: Competitive Possible new moves:

Sawyer


Treecko → Grovyle → Sceptile ↔ Mega Sceptile♂	Ability: Overgrow Lightning Rod (as Mega Sceptile) Possible new moves: X-Scissor Energy Ball Sunny Day Solar Beam Dual Chop
Bagoon → Shelgon → Salamence♂	Ability: Intimidate Possible new moves: Thunder Fang Fly Zen Headbutt Dragon Pulse Hone Claws Flamethrower Rock Tomb Aerial Ace
Slurpuff♂	Ability: Sweet Veil Possible new moves: Light Screen Play Rough Cotton Spore Fake Tears Wish Aromatherapy Round
Honedge → Doublade → Aegislash♀	Ability: Stance Change Possible new moves: Shadow Sneak Iron Head Shadow Claw X-Scissor Aerial Ace
Clawitzer♂	Ability: Mega Launcher Possible new moves:
Slaking♂	Ability: Truant Possible new moves:

Supporting Characters

Casey


Chikorita → Bayleef → Meganium♀	Ability: Overgrow Possible new moves:
Pidgey → Pidgeotto♀	Ability: Keen Eye Possible new moves:
Rattata → Raticate♀	Ability: Guts Possible new moves:
Beedrill♂	Ability: Swarm Possible new moves:
Elekid → Electabuzz♂	Ability: Static Possible new moves:

Liza


Charla♀	Ability: Blaze Possible new moves:

Jimmy


Cyndaquil → Quilava → Typhlosion♂	Ability: Blaze Possible new moves:
Weedle → Kakuna → Beedrill♂	Ability: Swarm Possible new moves:

Marina


Wani-Wani♂	Ability: Torrent Possible new moves:
Little Miss♀	Ability: Levitate Possible new moves:
Pink♀	Ability: Competitive Possible new moves:

Vincent/Jackson


Chikorita → Bayleef → Meganium♂	Ability: Overgrow Possible new moves:
Yanma♂	Ability: Speed Boost Possible new moves:
Azumarill♀	Ability: Huge Power Possible new moves:
Magneton	Ability: Magnet Pull Possible new moves:
Golduck♂	Ability: Cloud Nine Possible new moves:
Poliwhirl♀	Ability: Water Absorb Possible new moves:
Quagsire♂	Ability: Damp Possible new moves:

Steven Stone


Aron♂	Will not be seen again*
Aggron♂	Will not be seen again*
Metagross ↔ Mega Metagross	Ability: Clear Body Tough Claws (as Mega Metagross) Possible new moves: Hyper Beam Magnet Rise Metal Claw Bullet Punch Hammer Arm Double Team

Lyra


Chikorita → Bayleef → Meganium♀	Ability: Overgrow Possible new moves:
Marill♀	Ability: Huge Power Possible new moves:
Girafarig♂	Ability: Inner Focus Possible new moves:

Khoury


Totodile → Croconaw → Feraligatr♂	Ability: Torrent Possible new moves:
Gible → Gabite♂	Ability: Sand Veil Possible new moves:

Meyer/Blaziken Mask

He came from Hoenn but moved to Kalos.
Torchic → Combusken → Blaziken ↔ Mega Blaziken♂	Was Meyer's Starter Pokémon. Ability: Blaze Speed Boost (as Mega Blaziken) Possible new moves: Fire Punch High Jump Kick Double Kick Sky Uppercut Brave Bird
Ampharos♀	Ability: Static Possible new moves:

Professor Sycamore


Gible → Gabite → Garchomp ↔ Mega Garchomp♀	Ability: Sand Veil Sand Force (as Mega Garchomp) Possible new moves: Sand Tomb Dig Sand Attack Dragon Rush Dual Chop Dragon Tail