Zenon
ゼノン
About
Zennon is among the most powerful of the demon kind, and Satan's second-in-command alongside Psycho Jenny. While Satan was away, he assumed the role of the leader of the demon race. Zennon is highly respected and feared among his people, with most referring to him as Lord Zennon.
(Source: Devilman Wiki)
Appears In
Go Nagai World
Devilman
Neo Devilman
AMON: Devilman Mokushiroku
Devilman Crybaby
Devilman