Wulfgar used to be an <a href="http://fumbbl.com/FUMBBL.php?page=player&op=view&player_id=5674913">Ogre</a> on the team of <a href="http://fumbbl.com/FUMBBL.php?page=team&team_id=475923">Ghibli und Freunde</a> and was raised in the Body Recycling Inc.'s 6th match after being killed by a mummy.
Yubaba has mixed feelings about playing for the Undead and he's often still overestimating his degenerated strength and keeps blocking stronger opponents, but has also been quoted as feeling "degenerated bodywize, but very clear in his head ever sinced turning up on the Undead's roster".