This is my kinda thread. (If I don't include it, I haven't played it.)
Mario - Waluigi (No explanation required)
Donkey Kong - Cranky Kong or Funky Kong. (Tough choice!)
Zelda - Kass (No contest)
Kirby - Magolor (Do you really have to ask?)
Yoshi - Poochy
Punch out - Doc Louis (He's the only...