Pokemon Stadium 3 (US Game)/Gym Leader Castle (Round 2) is Pikachufreak's idea.
Trainers[]
Rustboro Gym[]
- Youngster Dustin - Uses: Iviny, Shrewiny, Spoiny, Golbiny, Spindiny, Kecliny
- Hiker Roland - Uses Hidon, Hifetch'd, Hitung, Hidily, Hifable, Hiflora
- Gym Leader Roxanne - Uses Nosepass, Relicanth, Golem, Shuckle, Tyranitar, Kabutops
Dewford Gym[]
- Blackbelt Matt - Uses Lee, Prime, Champ, Loom, Chan, Top
- Battle Girl Gwen - Uses Tuffirl, Delcirl, Pikirl, Blissirl, Persirl, Sneasirl
- Gym Leader Brawly - Uses Hariyama, Medicham, Blastoise, Heracross, Ursaring, Granbull
Mauville Gym[]
- Guitarist Pete - Uses Electar, Tontar, Amphatar, Lantar, Plutar, Mintar
- Gym Leader Wattson - Uses Manectric, Raichu, Electabuzz, Electrike, Pikachu, Elekid
Lavaridge Gym[]
- Cool Trainer M Albert - Uses Expstor, Slashstor, Ursastor, Brostor, Donstor, Cacstor
- Kindler Ronald - Uses Ninetind, Cruelind, Donpind, Hypnind, Dugind, Steelind
- Gym Leader Flannery - Uses Magcargo, Torkoal, Charizard, Magmar, Flareon, Typhlosion
Petalburg Gym[]
- Cool Trainer F Amelia - Uses Blissance, Meganance, Cloystance, Miltance, Nosepance, Aggrance
- Gym Leader Norman - Uses Slaking, Dunsparce, Lickitung, Spinda, Stantler, Clefable
Fortree Gym[]
- Bird Keeper Benjamin - Uses: Noctash, Charizash, Gyaradash, Pelipash, Dodrash, Aerodash
- Camper Drake - Uses Skarmotent, Dugtent, Qwiltent, Pinstent, Venutent, Kecletent
- Picnicker Lisa - Uses Roselibask, Smearbask, Persbask, Marobask, Queenbask, Brelobask
- Gym Leader Winona - Uses Swellow, Fearow, Pidgeot, Masquerain, Xatu, Gligar
Magma and Aqua Takeover[]
- Magma Grunt M - Uses Golema 1, Donma 2, Lixma 3, Camema 4, Maroma 5, Pupima 6
- Magma Grunt F - Uses Arboo 1, Mukboo 2, Ariaboo 3, Nidokboo 4, Victreboo 5, Swaboo 6
- Aqua Grunt F - Uses Turnqua 1, Blastqua 2, Octiqua 3, Miequa 4, Omaqua 5, Quagqua 6
- Aqua Grunt M - Uses Crawdins 1, Wailodins 2, Gyaradins 3, Glerdins 4, Mandins 5, Dradins 6
Mossdeep Gym[]
- Psychic M Carl - Uses Zamenza, Gutorenza, Buffenza, Gardenza, Jynenza, Grumpenza
- Hex Maniac Laura - Uses Gengex, Umbrex, Houndex, Mightex, Misdrex, Banex
- Gentleman Bruce - Uses Tytar, Ferar, Snoax, Uring, Niask, Sling
- Gym Leaders Tate and Liza - Uses Solrock, Lunatone, Hypno, Slowbro, Claydol, Espeon
Sootopolis Gym[]
- Lass Sally - Uses Gyaradette, Dewgette, Cruelette, Donpette, Omastette, Bellette
- Beauty Jenna - Uses Miedy, Vapody, Rhyddy, Pilody, Relidy, Whiscady
- Lady Maura - Uses Fabletty, Pluffetty, Delcetty, Tuffetty, Sneasetty, Seaketty
- Gym Leader Juan - Uses Walrein, Lapras, Octillery, Kingdra, Golduck, Crawdaunt
Elite Four[]
- Elite Four Sidney - Uses Mightyena, Umbreon, Sableye, Absol, Houndoom, Cacturne
- Elite Four Phoebe - Uses Banette, Dusclops, Gengar, Magmar, Crobat, Misdreavus
- Elite Four Glacia - Uses Glalie, Jynx, Piloswine, Delibird, Cloyster, Regice
- Elite Four Drake - Uses Salamence, Charizard, Dragonite, Flygon, Altaria, Aerodactyl
- Champion Wallace - Uses Milotic, Luvdisc, Swampert, Blastoise, Lanturn, Suicune