For the record, the abilities and skillsets of Bones, Revan and Marisa while turned into Pokemon:
Bones - Chansey
Ability: Natural Cure (heals all status effects on being switched out of battle/battle end)
Moves: Healing Wish, Defensive Curl, Growl, Double Slap
Revan - Hypno
Ability: Forewarn (reveals opponent's move with the highest base power)
Moves: Nasty Plot, Psychic, Hypnosis, Future Sight
Marisa - Glaceon
Ability: Snow Cloak (Evasion increases by 20 percent in a hailstorm)
Moves: Quick Attack, Double Team, Hail, Blizzard