Jeff

Jeff Andonuts is a boy from the town of Winters. Jeff accompanies Ness on his adventure in EarthBound. Jeff does not have PSI abilities, but he is very smart. He uses his knowledge to repair items. Jeff often relies on guns to attack opponents. Jeff is also the son of Dr. Andonuts.

Super Smash Bros. Brawl
In Super Smash Bros. Brawl, Jeff appears as an assist trophy.