Gugu is a young man from Takunaha who originally worked at Booze Man's shop. As Fushi's sworn brother, he fought the Nokkers and anti-Fushi faction members on several occasions to create the peaceful world the immortal desires. He wears a mask to hide his face.

Spoiler

His head got crushed by a wood log while trying to save Rean. He has been wearing a mask to cover it ever since.