Even at 41 years old, Wulfgar Olafson is a large, muscular man standing at 6'8" tall, with a shaven head and a bushy beard. His beard is black and grey, flecked with bits of white here and there, and his face is covered in runic tattoos. These tattoos mark him as an outcast from his clan; he was banished for protecting a wrongly convicted prisoner from a tyrannical leader. He spent the next few years adventuring and working as a mercenary, until he decided to risk returning to his village to warn them of an attack, but they didn't believe him. They stripped him of his weapons and threw him in prison, just as the demons attacked.
(I know the picture doesn't have a beard, but it was the best one I found.)