Vylk

ヴィルク

Vylk is a elderly demon living in the demon village and appears only in the anime. [Spoiler] Vylk is one of the demons who drank Mujika's blood. Along with Sonju and Mujika He was one of the survivors of the time when the king and the nobles killed Mujika's friends. [/Spoiler] (Source: The Promised Neverland Wiki)