>Aku (changes into this form when knocked out or the battle ends)
Type: Dark
Stats: 105/150/75/150/75/125 (BST: 680)
Ability: Shapeshifter
Notable Moves: Dark Pulse, Night Slash, Punishment, Taunt, Torment, Flatter, Nasty Plot, Mean Look, Hyper Beam, Hyper Voice, Extreme Speed, Recover, Swagger, Thunderbolt, Thunder, Flamethrower, Sunny Day, Dragon Pulse, Giga Drain, Earth Power, Liquidation, Surf, Rain Dance, Poison Jab, Sludge Wave, Bulk Up, Close Combat, Counter, Mirror Coat, Teleport, Leech Life, U-Turn

>Shapeshifter
This Pokemon will change forms depending on the situation or attacks it uses.

>Aku-Bird (changes into this form when at 50% HP)
Type: Dark/Flying
Stats: 105/150/50/150/50/175
Ability: Emergency Exit

>Aku-Scorpion (changes into this form when using Poison-type moves)
Type: Dark/Poison
Stats: 105/175/100/100/75/125
Ability: Battle Armor

>Aku-Kraken (changes into this form when using Water-type moves)
Type: Dark/Water
Stats: 105/150/100/150/100/75
Ability: Swift Swim

>Aku-Dragon (changes into this form when using Fire-type moves)
Type: Dark/Fire
Stats: 105/125/75/175/100/100
Abiltiy: Intimidate

>Aku-Chinese-Dragon (changes into this form when using Dragon-type moves)
Type: Dark/Dragon
Stats: 105/100/75/175/75/150
Ability: Levitate