Link, has been unashamedly dressed in that outfit for almost 23 years. From
Legend of Zelda.
Mega Man. Kills other robots to steal their powers, and also save the world.
Samus Aran, practically invented rolling into a ball and dropping bombs. From
Metroid.
Pikachu. Mario's off fighting Sonic, so Pikachu's standing in for him. From
Pokémon.