Pretty Boy

name: "Ike"

final smash: "great aether"

original game: "fire emblem" 

Soldier Spy

name: "Snake"

final smash: "grenade launcher"

original game: "Metal Gear Solid franchise"

electric mouse

name: "Pikachu"

final smash: "Volt Tackle"

original game: "Pokemon franchise" 

DK

name: "Donkey Kong"

final smash: "Konga Beat"

original game: "Donkey Kong franchise"