From OpenSA: Smash Engine Documentation Wiki
This is a complete list of IDs used by the external GFX event.
Effect.pac External GFX IDs -Fighters- 00 = System(common GFX) 01 = Mario 02 = DK 03 = Link 04 = Samus 05 = Yoshi 06 = Kirby 07 = Fox 08 = Pikachu 09 = Luigi 0A = Falcon 0B = Ness 0C = Bowser 0D = Peachy 0E = Zelda 0F = Sheik 10 = Popo 11 = Nana(nulled) 12 = Marth 13 = Game&Watch 14 = Falco 15 = Ganondorf 16 = Wario 17 = Meta Knight 18 = Pit 19 = Zamus 1A = Olimar 1B = Lucas 1C = Diddy 1D = Pokemon Trainer 1E = Charizard 1F = Squirtle 20 = Ivysaur 21 = Dedede 22 = Lucario 23 = Ike 24 = Rob 25 = Pramai(nulled) 26 = Jigglypuff 27 = Mewtwo(nulled) 28 = Roy(nulled) 29 = Dr. Mario(nulled) 2A = Toon Link 2B = Toon Zelda(nulled) 2C = Toon Sheik(nulled) 2D = Wolf 2E = Dixie(nulled) 2F = Snake 30 = Sonic 31 = Giga Bowser -Stages- 32 = Battlefield 33 = Final Destination 34 = Delfino Plaza 35 = Luigi's Mansion 36 = Mushroomy Kingdom 37 = Mario Circuit 38 = 75m 39 = Rumble Falls 3A = Pirate Ship 3B = -(nulled) 3C = Norfair 3D = Frigate Orpheon 3F = Yoshi's Island (Brawl) 3F = Halberd 40 = -(nulled) 41 = -(nulled) 42 = -(nulled) 43 = -(nulled) 44 = Lylat Cruise 45 = Pokèmon Stadium 2 46 = Spear Pillar 47 = Port Town Aero Dive 48 = Summit 49 = Flat Zone 2 4A = Castle Siege 4B = Castle Siege_00 4C = Castle Siege_01 4D = WarioWare Inc. 4E = Distant Planet 4F = Skyworld 50 = Mario Bros. 51 = New Pork City 52 = Smashville 53 = Shadow Moses Island 54 = Green Hill Zone 55 = Pictochat 56 = Hanenbow 57 = -(nulled) 58 = -(nulled) 59 = -(nulled) 5A = Temple 5B = Yoshi's Island (Melee) 5C = Jungle Japes 5D = Onett 5E = Green Greens 5F = Pokèmon Stadium 60 = Rainbow Cruise 61 = Corneria 62 = Big Blue 63 = Brinstar 64 = Bridge of Eldin 65 = Homerun 66 = Edit 67 = AdvCloud 68 = AdvJungle 69 = AdvRiver 6A = AdvGrass 6B = AdvZoo 6C = AdvFortress 6D = AdvLakeside 6E = AdvCave 6F = AdvRuinfront 70 = AdvRuin 71 = AdvWild 72 = AdvCliff 73 = AdvHalberdOut 74 = AdvHalberdIn 75 = AdvAncientOut 76 = AdvFactory 77 = AdvDimension 78 = AdvStadium 79 = AdvHalberdSide 7A = AdvStore 7B = AdvFlyingPlate 7C = AdvEscape -Enemies- 7D = Goomba 7E = Paratroopa 7F = Hammer Bro.(SSE enemy) 80 = Bullet Bill 81 = Met 82 = Dry Bones 83 = Giant Goomba 84 = Blown 85 = Ploum 86 = Gal 87 = Galthunder 88 = Galfire 89 = Galice 8A = Melorin 8B = Popperam 8C = Whauel 8D = Bitan 8E = Mechcannon 8F = Mizuo 90 = Roada 91 = Bombhead 92 = Blossa 93 = Gyraan 94 = Bucyulus 95 = Tautau 96 = Bubot 97 = Flows 98 = Aroaros 99 = Botron 9A = Jyakeel 9B = Dyeburn 9C = Torista 9D = Wiiems 9E = Ghamgha 9F = Kyan A0 = Pacci A1 = Faulong A2 = Deathpod A3 = Byushi A4 = Spar A5 = Konkon A6 = Jdus A7 = Arrians A8 = Mite A9 = Shelly AA = Ngagog AB = Gunnatter AC = Cymal AD = Teckin AE = Cataguard AF = Siralamos B0 = Boobas B1 = Arman B2 = Prim B3 = Waddle Dee B4 = Waddle Doo B5 = Blade Knight B6 = Bronto Burt B7 = Robo B8 = Bonkers B9 = Petey Piranha BA = Rayquaza BB = Porkystatue BC = Porky BD = Galleom BE = Ridley BF = Duon C0 = Meta Ridley C1 = Tabuu C2 = Masterhand C3 = Crazyhand C4 = Falconflyer -Assist Trophies- C5 = Lakitu C6 = Samurai Goroh C7 = Knuckle Joe C8 = Waluigi C9 = Mr. Resetti CA = Nintendog CB = Gray Fox CC = Shadow CD = Excitebike CE = Devil CF = Hammer Bro.(assist trophy) D0 = Metroid D1 = Ridley(nulled assist trophy) D2 = Dr. Wright D3 = Starfy D4 = Tingle D5 = Kat & Ana D6 = Lyn D7 = Custom Robo D8 = Little Mac D9 = Soldier DA = Jeff DB = Helirin DC = Barbara DD = Isaac DE = Saki DF = Kururi -Final Smashes- E0 = Mario FS E1 = DK FS E2 = Link FS E3 = Toon Link FS E4 = Samus FS E5 = Yoshi FS E6 = Kirby FS E7 = Fox FS(Falco uses this too) E8 = Pikachu FS E9 = Luigi FS EA = Falcon FS EB = Ness FS EC = Bowser FS ED = Peachy FS EE = Zelda/Sheik FS EF = Popo/Nana FS F0 = Marth FS F1 = Game&Watch FS F2 = Ganondorf FS F3 = Wario's FS F4 = Meta Knight's FS F5 = Pit's FS F6 = Zamus FS F7 = Olimar's FS F8 = Lucas FS F9 = Diddy FS FA = Pokemon Trainer FS FB = Dedede FS FC = Lucario FS FD = Ike FS FE = Rob FS FF = Jigglypuff FS 100 = Wolf FS 101 = Snake FS 102 = Sonic FS -Kirby & stuff- 103 = SYS_ADV 104 = SYS_Pokémon 105 = Kirby Mario 106 = Kirby DK 107 = Kirby Link 108 = Kirby Samus 109 = Kirby Yoshi 10A = Kirby Fox 10B = Kirby Pikachu 10C = Kirby Luigi 10D = Kirby Falcon 10E = Kirby Ness 10F = Kirby Koopa 110 = Kirby Peach 111 = Kirby Zelda 112 = Kirby Sheik 113 = Kirby Popo 114 = Kirby Marth 115 = Kirby Game&Watch 116 = Kirby Falco 117 = Kirby Ganondorf 118 = Kirby Wario 119 = Kirby Meta Knight 11A = Kirby Pit 11B = Kirby Zamus 11C = Kirby Olimar 11D = Kirby Lucas 11E = Kirby Diddy 11F = Kirby Charizard 120 = Kirby Squirtle 121 = Kirby Ivysaur 122 = Kirby Dedede 123 = Kirby Lucario 124 = Kirby Ike 125 = Kirby R.O.B. 126 = Kirby Jigglypuff 127 = Kirby Toon Link 128 = Kirby Wolf 129 = Kirby Snake 12A = Kirby Sonic 12B = Target Smash 12C = Warioman(unused) 12D = Red Alloy(unused) 12E = Blue Alloy(unused) 12F = Yellow Alloy(unused) 130 = Green Alloy(unused)