He generally appears as an old man , with mildly long , spiky white hair and facial hair , with a demon mark on the right side of his face .
A extremely powerful , high - class demon , and Meliodas ' former master .
Meliodas generally appears as an old man , with mildly long , spiky white hair and facial hair , with a demon mark on the right side of Meliodas ' face .
A extremely powerful , high - class demon , and Meliodas ' former master .