From A Wiki of Ice and Fire
|Book||A Storm of Swords (mentioned)|
Mad Axe was a member of the Night's Watch. He is famous for murdering his fellow brothers at the Nightfort.
Mad Axe had a red beard.
According to the story, he took his boots off and prowled the halls of the Nightfort silently at night and murdered his brothers. The only noise he made came from the blood dripping from his axe, his elbows and his wet beard.
- ↑ 1.0 1.1 A Storm of Swords, Chapter 56, Bran IV.