Raidanzoup said: There were no Ace Trainers up until the 4th generation of PKMN. They were CoolTrainers
They mean HGSS Ace Trainer
Psychic
Black and WhiteLady
Black and WhitePokémon Ranger
Diamond, Pearl, Platinum, HeartGold and SoulSilverAce Trainer
HeartGold and SoulSilverLass
FireRed and LeafGreen