Halfborn Gunderson

Halfborn Gunderson is from the book series Magnus Chase and the Gods of Asgard by Rick Riordan. Halfborn is a Berserker who is basically invincible whenever he is angry. He is an extremely good fighter on floor 19 of Valhalla, the warrior afterlife. He is in an on again-off again relationship with Mallory Keen. His friends are Magnus Chase, TJ, Alex Feirro, Blitzen, Hearth, and Samaira Al-Abbas.