From Bulbapedia, the community-driven Pokémon encyclopedia.
Zweilous (Japanese: ジヘッド Dihead) is a dual-type Dark/Dragon Pokémon introduced in Generation V.
It evolves from Deino starting at level 50 and evolves into Hydreigon starting at level 64.
Biology
Zweilous is a dark-blue, quadrupedal Pokémon with two heads and black fur covering its necks and back. Its front legs are muscular with two claws on each foot, but its rear legs are less defined and have two small, backward-pointing toes without claws. There are tufts of fur over its heads with rounded points at the top. It has two thin wings on its back, each ending in two points. The fur stops at the chest and opens up to fuchsia striped bands on the side of its legs. Though it appears to lack eyes, it is unknown if Zweilous is blind.
Zweilous has the vigor and energy to eat and bite constantly without stopping. Its heads dislike each other and are very hostile. As a result, the heads often turn eating into a competition, each head trying to claim leadership by eating more than the other. Because of this, Zweilous always eats far too much and is covered in scars, even without opponents to fight. It is a nomadic Pokémon; it migrates once it has eaten all the prey in an area.
In the anime
Major appearances
Zweilous made its main series debut in A Village Homecoming!, where two of them were owned by Iris's friend Shannon. The older of the two eventually evolved into Hydreigon.
In Aiming for the Top Floor!, Ryuki first used a Zweilous during his battle against Kiawe. It easily defeated Marowak after the latter got distracted by Ryuki's music. Zweilous was then used in a Double Battle alongside Druddigon, going up against Ash's Rowlet and Meltan, but both were soon defeated.
Minor appearances
Zweilous debuted in Kyurem VS. The Sword of Justice during the World of Pokémon introduction.
A Trainer's Zweilous appeared in Settling the Scorbunny!.
A Trainer's Zweilous appeared in Secrets of the Jungle.
A Zweilous appeared in Trial on a Golden Scale! under the ownership of one of Nito’s henchmen.
Pokédex entries
Episode
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Pokémon
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Source
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Entry
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BW100
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Zweilous
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Ash's Pokédex
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Zweilous, the Hostile Pokémon and the evolved form of Deino. Zweilous always eats more than it should, moving to a new home after eating all the food it can find.
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Episode
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Pokémon
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Source
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Entry
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SM118
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Zweilous
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Rotom Pokédex
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Zweilous, the Hostile Pokémon. A Dark and Dragon type. Its two heads do not get along, so each tries to assert its dominance by eating more than the other.
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In the manga
Pokémon - The Legend of the Dragon King
A Zweilous appeared in LDK1.
Pokémon Adventures
A Trainer's Zweilous appeared in Dream a Little Dream.
A Zweilous was used by one of the Seven Sages to fend off several Trainers that were trying to rescue the captured Gym Leaders in Triple Threat.
Leo's Deino was revealed to have evolved into a Zweilous sometime prior to Deduction Time.
In the TCG
- Main article: Zweilous (TCG)
Game data
Pokédex entries
This Pokémon was unavailable prior to Generation V.
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Generation V
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Unova BW: #140
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Unova B2W2: #274
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Black
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After it has eaten up all the food in its territory, it moves to another area. Its two heads do not get along.
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White
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Since their two heads do not get along and compete with each other for food, they always eat too much.
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Black 2
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The two heads do not get along. Whichever head eats more than the other gets to be the leader.
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White 2
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Generation VI
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Kalos Mountain #143
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Hoenn #—
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X
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The two heads do not get along. Whichever head eats more than the other gets to be the leader.
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Y
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After it has eaten up all the food in its territory, it moves to another area. Its two heads do not get along.
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Omega Ruby
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The two heads do not get along. Whichever head eats more than the other gets to be the leader.
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Alpha Sapphire
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After it has eaten up all the food in its territory, it moves to another area. Its two heads do not get along.
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Generation VIII
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Galar #387
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Galar Crown Tundra #137
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Sinnoh #—
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Hisui #—
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This Pokémon has no Pokédex entries in Brilliant Diamond, Shining Pearl, and Legends: Arceus.
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Sword
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While hunting for prey, Zweilous wanders its territory, its two heads often bickering over which way to go.
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Shield
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Their two heads will fight each other over a single piece of food. Zweilous are covered in scars even without battling others.
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Game locations
This Pokémon was unavailable prior to Generation V.
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In side games
This Pokémon was unavailable prior to Generation V.
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In events
Stats
Base stats
Stat
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Range
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At Lv. 50
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At Lv. 100
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72
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132 - 179
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254 - 348
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85
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81 - 150
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157 - 295
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70
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67 - 134
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130 - 262
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65
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63 - 128
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121 - 251
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70
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67 - 134
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130 - 262
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58
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56 - 121
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108 - 236
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Total: 420
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Other Pokémon with this total
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- Minimum stats are calculated with 0 EVs, IVs of 0, and (if applicable) a hindering nature.
- Maximum stats are calculated with 252 EVs, IVs of 31, and (if applicable) a helpful nature.
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Type effectiveness
Under normal battle conditions in Generation IX, this Pokémon is:
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Learnset
Zweilous is available in Sword and Shield.
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- Bold indicates a move that gets STAB when used by Zweilous
- Italic indicates a move that gets STAB only when used by an Evolution of Zweilous
- Click on the generation numbers at the top to see level-up moves from other generations
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- Bold indicates a move that gets STAB when used by Zweilous
- Italic indicates a move that gets STAB only when used by an Evolution of Zweilous
- Click on the generation numbers at the top to see TM moves from other generations
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- Moves marked with an asterisk (*) must be chain bred onto Zweilous in Generation VIII
- Moves marked with a double dagger (‡) can only be bred from a Pokémon who learned the move in an earlier generation.
- Moves marked with a superscript game abbreviation can only be bred onto Zweilous in that game.
- Bold indicates a move that gets STAB when used by Zweilous
- Italic indicates a move that gets STAB only when used by an Evolution of Zweilous
- Click on the generation numbers at the top to see Egg moves from other generations
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- Bold indicates a move that gets STAB when used by Zweilous
- Italic indicates a move that gets STAB only when used by an Evolution of Zweilous
- Click on the generation numbers at the top to see Move Tutor moves from other generations
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- Bold indicates a move that gets STAB when used by Zweilous
- Italic indicates a move that gets STAB only when used by an Evolution of Zweilous
- Click on the generation numbers at the top to see moves from other generations
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By transfer from another generation
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- Transferred Pokémon only retain these moves in Pokémon Sword and Shield
- A striped background indicates a generation in which the move can only be obtained via event or as a special move
- Bold indicates a move that gets STAB when used by Zweilous
- Italic indicates a move that gets STAB only when used by an Evolution of Zweilous
- × indicates a move that cannot be used in Sword and Shield
- Click on the generation numbers at the top to see transfer-only moves for other generations
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TCG-only moves
Side game data
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Pokémon Rumble Rush
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Walking Speed: 2.4 seconds
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Base HP: 54
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Base Attack: 75
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Base Defense: 53
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Base Speed: 60
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Evolution
Sprites
This Pokémon was unavailable prior to Generation V.
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Trivia
- Of all the Pokémon that evolve by level alone, Zweilous can evolve into its final form, Hydreigon, starting at the highest level, evolving at level 64.
- According to interviews with Ken Sugimori in Nintendo Dream Vol. 205, Zweilous and its evolutionary family were originally intended to have aspects of tanks. The Pokémon were scrapped until late in development, when they were revived and remade to be based on Yamata no Orochi. The tank tread-like markings on Zweilous's underbelly are a remnant of this design.[1]
- Zweilous shares its category with Basculin. They are both known as the Hostile Pokémon.
- Zweilous and Deino are the only Pokémon who have Hustle as their only Ability.
Origin
Zweilous seems to be based on the Yamata no Orochi. Its multiple heads and Shiny coloration resemble the Zmey Gorynych, and it may also incorporate elements of the Lernaean Hydra. These mythological serpents may have inspired Hydreigon's Dark typing, as all three are deadly antagonists, with the Zmey Gorynych in particular shown to be deceptive. Due to its apparent blindness and only being found in certain caves, Zweilous may also be based on a cave salamander.
Name origin
Zweilous may be a combination of zwei (German for two) and jealous (as the heads always fight over food) or zealous (reflecting Zweilous's voracious appetite and intensely competitive nature).
Dihead may be a combination of di- (prefix meaning two) or 二 ji (two) and head.
In other languages
Language
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Title
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Meaning
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Japanese
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ジヘッド Dihead
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From 二 ji or di- and head
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French
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Diamat
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From di- and Tiamat
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Spanish
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Zweilous
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Same as English name
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German
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Duodino
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From duo and dino
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Italian
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Zweilous
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Same as English name
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Korean
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디헤드 Dihead
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Transliteration of Japanese name
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Mandarin Chinese
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雙首暴龍 / 双首暴龙 Shuāngshǒubàolóng* 雙頭龍 / 双头龙 Shuāngtóulóng*
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From 雙 / 双 shuāng, 首 shǒu, 暴 bào, 龍 / 龙 shǒulóng, and 暴龍 / 暴龙 bàolóng From 雙 / 双 shuāng, 頭 / 头 tóu, and 龍 / 龙 shǒulóng
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Cantonese Chinese
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雙首暴龍 Sēungsáubouhlùhng* 雙頭龍 Sēungtàuhlùhng*
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From 雙 sēung, 首 sáu, 暴 bouh, 龍 lùhng, and 暴龍 bouhlùhng From 雙 sēung, 頭 tàuh, and 龍 lùhng
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More languages
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Russian
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Цвайлос Tsvaylos
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Transcription of English name
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Thai
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จิเฮด Chihet
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Transcription of Japanese name
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Notes
External links
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This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon species, as well as Pokémon groups and forms.
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