Weavel is a cyborg space pirate from the Metroid Prime: Hunters game for DS. Not only is he cooler than the other hunters from the game, but he has a viable moveset that would work for smash. If not a character, he could appear as an assist.
B. Battlehammer: Weavel fires this weapon and sends a green ball that can bounce off objects hurtling towards his foe.
<-B-> Scythe: Weavel slashes his sythe as he charges.