List of Pokémon by index number (Generation I)

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In each Pokémon game of Generation I, all Pokémon have an unseen index number used to identify them in the game's ROM. Unlike later generations, the Pokémon are far from being in order by their National Pokédex numbers, and most evolution families are extremely fragmented. In addition, 39 copies of the glitch Pokémon MissingNo. permeate the list, causing the last non-glitch Pokémon, Victreebel, to be located at index 190 instead of the expected 151. Index 0 and indices from 191 to 255 (hex 0xFF) contain all other glitch Pokémon in Generation I. Since Rhydon is located at index 1, many glitch Pokémon will become it upon capture and viewing of their glitched Pokédex entry, known as the Rhydon glitch.

When connected to a Generation II game, many of the glitch Pokémon, including each of the 39 copies of MissingNo., will appear to the other side to be a Generation II Pokémon and tradeable under conditions. In the list below, the name of the Generation II Pokémon in parentheses after the glitch Pokémon's name is the equivalent Pokémon in the Generation II games. The conversion of Generation I glitch Pokémon index numbers to Generation II index numbers simply is Johto Pokémon in National Pokédex order, starting from 0xBF (dec 191)—the index after the last valid Pokémon in Generation I—and ranging to 0xFA (dec 250), then continuing by filling the indices that correspond to MissingNo.; only Ho-Oh is misplaced (Celebi is absent).

List of Pokémon by index number

Please note that the Ghost, Kabutops Fossil and Aerodactyl Fossil MissingNo. are not of type Bird/Normal and use the same type as the last Pokémon in memory.

Index no. Pokémon Types
01 001 Rhydon Rhydon Ground Rock
02 002 Kangaskhan Kangaskhan Normal Normal
03 003 Nidoran♂ Nidoran♂ Poison Poison
04 004 Clefairy Clefairy Normal Normal
05 005 Spearow Spearow Normal Flying
06 006 Voltorb Voltorb Electric Electric
07 007 Nidoking Nidoking Poison Ground
08 008 Slowbro Slowbro Water Psychic
09 009 Ivysaur Ivysaur Grass Poison
0A 010 Exeggutor Exeggutor Grass Psychic
0B 011 Lickitung Lickitung Normal Normal
0C 012 Exeggcute Exeggcute Grass Psychic
0D 013 Grimer Grimer Poison Poison
0E 014 Gengar Gengar Ghost Poison
0F 015 Nidoran♀ Nidoran♀ Poison Poison
10 016 Nidoqueen Nidoqueen Poison Ground
11 017 Cubone Cubone Ground Ground
12 018 Rhyhorn Rhyhorn Ground Rock
13 019 Lapras Lapras Water Ice
14 020 Arcanine Arcanine Fire Fire
15 021 Mew Mew Psychic Psychic
16 022 Gyarados Gyarados Water Flying
17 023 Shellder Shellder Water Water
18 024 Tentacool Tentacool Water Poison
19 025 Gastly Gastly Ghost Poison
1A 026 Scyther Scyther Bug Flying
1B 027 Staryu Staryu Water Water
1C 028 Blastoise Blastoise Water Water
1D 029 Pinsir Pinsir Bug Bug
1E 030 Tangela Tangela Grass Grass
1F 031 MissingNo. MissingNo. (Scizor) Bird Normal
20 032 MissingNo. MissingNo. (Shuckle) Bird Normal
21 033 Growlithe Growlithe Fire Fire
22 034 Onix Onix Rock Ground
23 035 Fearow Fearow Normal Flying
24 036 Pidgey Pidgey Normal Flying
25 037 Slowpoke Slowpoke Water Psychic
26 038 Kadabra Kadabra Psychic Psychic
27 039 Graveler Graveler Rock Ground
28 040 Chansey Chansey Normal Normal
29 041 Machoke Machoke Fighting Fighting
2A 042 Mr. Mime Mr. Mime Psychic Psychic
2B 043 Hitmonlee Hitmonlee Fighting Fighting
2C 044 Hitmonchan Hitmonchan Fighting Fighting
2D 045 Arbok Arbok Poison Poison
2E 046 Parasect Parasect Bug Grass
2F 047 Psyduck Psyduck Water Water
30 048 Drowzee Drowzee Psychic Psychic
31 049 Golem Golem Rock Ground
32 050 MissingNo. MissingNo. (Heracross) Bird Normal
33 051 Magmar Magmar Fire Fire
34 052 MissingNo. MissingNo. (Ho-Oh) Bird Normal
35 053 Electabuzz Electabuzz Electric Electric
36 054 Magneton Magneton Electric Electric
37 055 Koffing Koffing Poison Poison
38 056 MissingNo. MissingNo. (Sneasel) Bird Normal
39 057 Mankey Mankey Fighting Fighting
3A 058 Seel Seel Water Water
3B 059 Diglett Diglett Ground Ground
3C 060 Tauros Tauros Normal Normal
3D 061 MissingNo. MissingNo. (Teddiursa) Bird Normal
3E 062 MissingNo. MissingNo. (Ursaring) Bird Normal
3F 063 MissingNo. MissingNo. (Slugma) Bird Normal
40 064 Farfetch'd Farfetch'd Normal Flying
41 065 Venonat Venonat Bug Poison
42 066 Dragonite Dragonite Dragon Flying
43 067 MissingNo. MissingNo. (Magcargo) Bird Normal
44 068 MissingNo. MissingNo. (Swinub) Bird Normal
45 069 MissingNo. MissingNo. (Piloswine) Bird Normal
46 070 Doduo Doduo Normal Flying
47 071 Poliwag Poliwag Water Water
48 072 Jynx Jynx Ice Psychic
49 073 Moltres Moltres Fire Flying
4A 074 Articuno Articuno Ice Flying
4B 075 Zapdos Zapdos Electric Flying
4C 076 Ditto Ditto Normal Normal
4D 077 Meowth Meowth Normal Normal
4E 078 Krabby Krabby Water Water
4F 079 MissingNo. MissingNo. (Corsola) Bird Normal
50 080 MissingNo. MissingNo. (Remoraid) Bird Normal
51 081 MissingNo. MissingNo. (Octillery) Bird Normal
52 082 Vulpix Vulpix Fire Fire
53 083 Ninetales Ninetales Fire Fire
54 084 Pikachu Pikachu Electric Electric
55 085 Raichu Raichu Electric Electric
56 086 MissingNo. MissingNo. (Delibird) Bird Normal
57 087 MissingNo. MissingNo. (Mantine) Bird Normal
58 088 Dratini Dratini Dragon Dragon
59 089 Dragonair Dragonair Dragon Dragon
5A 090 Kabuto Kabuto Rock Water
5B 091 Kabutops Kabutops Rock Water
5C 092 Horsea Horsea Water Water
5D 093 Seadra Seadra Water Water
5E 094 MissingNo. MissingNo. (Skarmory) Bird Normal
5F 095 MissingNo. MissingNo. (Houndour) Bird Normal
60 096 Sandshrew Sandshrew Ground Ground
61 097 Sandslash Sandslash Ground Ground
62 098 Omanyte Omanyte Rock Water
63 099 Omastar Omastar Rock Water
64 100 Jigglypuff Jigglypuff Normal Normal
65 101 Wigglytuff Wigglytuff Normal Normal
66 102 Eevee Eevee Normal Normal
67 103 Flareon Flareon Fire Fire
68 104 Jolteon Jolteon Electric Electric
69 105 Vaporeon Vaporeon Water Water
6A 106 Machop Machop Fighting Fighting
6B 107 Zubat Zubat Poison Flying
6C 108 Ekans Ekans Poison Poison
6D 109 Paras Paras Bug Grass
6E 110 Poliwhirl Poliwhirl Water Water
6F 111 Poliwrath Poliwrath Water Fighting
70 112 Weedle Weedle Bug Poison
71 113 Kakuna Kakuna Bug Poison
72 114 Beedrill Beedrill Bug Poison
73 115 MissingNo. MissingNo. (Houndoom) Bird Normal
74 116 Dodrio Dodrio Normal Flying
75 117 Primeape Primeape Fighting Fighting
76 118 Dugtrio Dugtrio Ground Ground
77 119 Venomoth Venomoth Bug Poison
78 120 Dewgong Dewgong Water Ice
79 121 MissingNo. MissingNo. (Kingdra) Bird Normal
7A 122 MissingNo. MissingNo. (Phanpy) Bird Normal
7B 123 Caterpie Caterpie Bug Bug
7C 124 Metapod Metapod Bug Bug
7D 125 Butterfree Butterfree Bug Flying
7E 126 Machamp Machamp Fighting Fighting
7F 127 MissingNo. MissingNo. (Donphan) Bird Normal
80 128 Golduck Golduck Water Water
81 129 Hypno Hypno Psychic Psychic
82 130 Golbat Golbat Poison Flying
83 131 Mewtwo Mewtwo Psychic Psychic
84 132 Snorlax Snorlax Normal Normal
85 133 Magikarp Magikarp Water Water
86 134 MissingNo. MissingNo. (Porygon2) Bird Normal
87 135 MissingNo. MissingNo. (Stantler) Bird Normal
88 136 Muk Muk Poison Poison
89 137 MissingNo. MissingNo. (Smeargle) Bird Normal
8A 138 Kingler Kingler Water Water
8B 139 Cloyster Cloyster Water Ice
8C 140 MissingNo. MissingNo. (Tyrogue) Bird Normal
8D 141 Electrode Electrode Electric Electric
8E 142 Clefable Clefable Normal Normal
8F 143 Weezing Weezing Poison Poison
90 144 Persian Persian Normal Normal
91 145 Marowak Marowak Ground Ground
92 146 MissingNo. MissingNo. (Hitmontop) Bird Normal
93 147 Haunter Haunter Ghost Poison
94 148 Abra Abra Psychic Psychic
95 149 Alakazam Alakazam Psychic Psychic
96 150 Pidgeotto Pidgeotto Normal Flying
97 151 Pidgeot Pidgeot Normal Flying
98 152 Starmie Starmie Water Psychic
99 153 Bulbasaur Bulbasaur Grass Poison
9A 154 Venusaur Venusaur Grass Poison
9B 155 Tentacruel Tentacruel Water Poison
9C 156 MissingNo. MissingNo. (Smoochum) Bird Normal
9D 157 Goldeen Goldeen Water Water
9E 158 Seaking Seaking Water Water
9F 159 MissingNo. MissingNo. (Elekid) Bird Normal
A0 160 MissingNo. MissingNo. (Magby) Bird Normal
A1 161 MissingNo. MissingNo. (Miltank) Bird Normal
A2 162 MissingNo. MissingNo. (Blissey) Bird Normal
A3 163 Ponyta Ponyta Fire Fire
A4 164 Rapidash Rapidash Fire Fire
A5 165 Rattata Rattata Normal Normal
A6 166 Raticate Raticate Normal Normal
A7 167 Nidorino Nidorino Poison Poison
A8 168 Nidorina Nidorina Poison Poison
A9 169 Geodude Geodude Rock Ground
AA 170 Porygon Porygon Normal Normal
AB 171 Aerodactyl Aerodactyl Rock Flying
AC 172 MissingNo. MissingNo. (Raikou) Bird Normal
AD 173 Magnemite Magnemite Electric Electric
AE 174 MissingNo. MissingNo. (Entei) Bird Normal
AF 175 MissingNo. MissingNo. (Suicune) Bird Normal
B0 176 Charmander Charmander Fire Fire
B1 177 Squirtle Squirtle Water Water
B2 178 Charmeleon Charmeleon Fire Fire
B3 179 Wartortle Wartortle Water Water
B4 180 Charizard Charizard Fire Flying
B5 181 MissingNo. MissingNo. (Larvitar) Bird Normal
B6 182 MissingNo. MissingNo. Kabutops Fossil (Pupitar) Bird Normal
B7 183 MissingNo. MissingNo. Aerodactyl Fossil (Tyranitar) Bird Normal
B8 184 MissingNo. MissingNo. Ghost (Lugia) Bird Normal
B9 185 Oddish Oddish Grass Poison
BA 186 Gloom Gloom Grass Poison
BB 187 Vileplume Vileplume Grass Poison
BC 188 Bellsprout Bellsprout Grass Poison
BD 189 Weepinbell Weepinbell Grass Poison
BE 190 Victreebel Victreebel Grass Poison

Garbage data (glitch Pokémon)

Index no. Pokémon
HEX DEC Red/Blue Yellow Johto equivalent
00 000 'M (00) 3TrainerPoké $ ?????
BF 191 ▶ A 4 4 Chikorita
C0 192 a 4 4 Hy Bayleef
C1 193 ゥ (C1) ♀ . Meganium
C2 194 ゥ .4 pPKMNp' ' Cyndaquil
C3 195 h POKé ゥ ( Z4 Quilava
C4 196 PokéWTrainer X ゥ- xゥ, Typhlosion
C5 197 PKMN (C5) 4. . Totodile
C6 198 ゥL ゥM 4 ァ7g Croconaw
C7 199 ♀Pゥ ゥゥT u Feraligatr
C8 200 ゥU? g g Sentret
C9 201 ◣ゥ 8 ァ / g J 1 Furret
CA 202 PC4SH Glitch (CA) Hoothoot
CB 203 p . pゥ Noctowl
CC 204 PKMN ◣ n .8 Ledyba
CD 205 Trainer ゥ. B Ledian
CE 206 ▼ W G d PKMN pゥぁ ゥぇ (CE) Spinarak
CF 207 OPKMN4X 4, ゥァ (CF) Ariados
D0 208 PKMN PKMN T ゥ' Crobat
D1 209 4B 8 4 8 B ァ h Chinchou
D2 210 ゥ ' PKMN ? A Lanturn
D3 211 M p'u ゥ ゥゥ) Pichu
D4 212 Aゥ G ゥ (D4) Cleffa
D5 213 Pゥ ゥ ゥ 'ゥ. Igglybuff
D6 214 4 h PKMN pゥぁ ゥぇ (D6) Togepi
D7 215 Glitch (D7) B (D7) Togetic
D8 216 PKMNaPKMNゥ ♂ fPKMNk PKMN (D8) Natu
D9 217 PKMNRPKMN " ゥ (D9) Xatu
DA 218 B (DA) ] Mareep
DB 219 Glitch (DB) ゥ' B Flaaffy
DC 220 Glitch (DC) PKMN (DC) Ampharos
DD 221 7PKMN 'v 4, ゥァ (DD) Bellossom
DE 222 -PKMN 8 (DE) Marill
DF 223 .PKMN p ID Azumarill
E0 224 /PKMNPKMN 8 P ァ Sudowoodo
E1 225 'v 'r 'r 4 Politoed
E2 226 …… (h4to89 Hoppip
E3 227 ゥ (E3) 4 89 4 Skiploom
E4 228 Glitch (E4) 8B 4 8 Jumpluff
E5 229 C Z ゥ Aipom
E6 230 - - 9 Sunkern
E7 231 Pゥ 4$ ゥHIゥ. Sunflora
E8 232 X C 4(h4hi?$ Yanma
E9 233 c 4HI? Wooper
EA 234 A (EA) 'r ゥ Quagsire
EB 235 Glitch (EB) $ Pゥ. 4( Espeon
EC 236 Glitch (EC) ?/ Umbreon
ED 237 hゥ 4(h4? Murkrow
EE 238 .g ゥ► ゥ▼ ゥ Slowking
EF 239 ゥ$'M h 4Pゥ ゥ... Misdreavus
F0 240 ゥ$ (F0) . ゥ ( .I' . Unown
F1 241 94 ' B' ゥ Wobbuffet
F2 242 ゥ l (F2) ゥ ゥェ ゥ ▷ Girafarig
F3 243 ゥ l (F3) ゥ $ A (F3) Pineco
F4 244 ゥ$ (F4) ♂ p ゥ Forretress
F5 245 ゥ (F5) ▼ pゥ Dunsparce
F6 246 G'Mp ゥ $ A (F6) Gligar
F7 247 'Ng'Mp PKMN (F7) Steelix
F8 248 'Ng ゥ$ ゥ 4- 4 Snubbull
F9 249 94 h $ Granbull
FA 250 Glitch (FA) ゥ▾ ゥ♂ Qwilfish
FB 251 'M 'N g F q ,
FC 252 O ゥ$ 4MN ゥ
FD 253 ゥ$ 6ゥ × 'rゥ. 4-
FE 254 'M (FE) ゥ/ 4ァ 4,
FF 255 'M (FF) Q ◣


  • In an interview with Shigeki Morimoto, he confirmed that there were originally going to be 190 Pokémon in Generation I.[1] This matches exactly with the fact that the last non-glitch Pokémon occurs at position 190, and strongly implies that the 39 MissingNo. are formatted Pokémon data. Although each of the copies of MissingNo. can appear as or become a Generation II Pokémon when traded there, these Pokémon are simply based on the Pokédex order, so are not indications of the original Pokémon in these slots.


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