The prodigal son of a renowned scientist, Jeff is the brains of Ness’s party. Though he lacks PSI abilities, his intelligence makes him a force to be reckoned with, able to assess enemies at a glance and turn junk into weapons. His signature weapons are his Bottle Rockets, which he uses as an Assist Trophy in Smash. He’ll fire a volley of five at opponents, even having them home in on enemy locations!