Because you like Donkey Kong in Donkey Kong
Wario is greedy, gross, and gluttonous. See them in WarioWare.
Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.
A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.
Needles Kane says shut up and bleed. See them in Twisted Metal .
He's an everyday earthworm turned intergalactic hero. See them in Earthworm Jim.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Crono may not talk, but this time-traveling hero's heart speaks volumes. See them in Chrono Trigger.
Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..
Rayman is a fearless hero who flies into action with a propeller on his head and a smile on his face. See them in Rayman.
A great galactic bounty hunter, Samus Aran is not as good at expressing emotions. See them in Metroid.
Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.