Shaman Khan

Shaman Khan is a Bikkuriman character from the Akuma vs. Tenshi Seal series. He is the god of information and one of the oldest characters in the series, ruling the world as the leader of the Tenshi (Angels) alongside Shiso Jura, the leader of the Akuma (Devils), until Shiso Jura caused a war between them. This intellectual trained many Tenshi, and is a foster father to Super Zeus, being his best friend and teacher. Because of Super Devil, his relation with Super Zeus became poor for some time. During the war between Akuma and Tenshi, he is occupied analyzing the situation of the war and deciphering scriptures.

(Source: Bikkuriman Wikia)