Marbas

Marbas (also known as Barbas) is a Skinwalker demon and President of Malebolge. He is the head of the schools of mechanics and engineering. Marbas is known to be a dangerous trickster, though he will follow commands loyally when conjured.

Focused strictly on mechanical engineering and subordinate teachings, Marbas is well-versed in the Simulacrum.

Physical appearance
Marbas' initial form is that of a lion.

In his human form, Marbas appears as a man of average height with brown eyes, small ears, and spiked black hair.

Etymology
The name Barbas derives from Latin "barba", meaning "beard", or referring to hellebore, a plant used in witchcraft, especially to invoke demons.