Demongo

"I'm the dealer of destruction, The merchant of doom and I seek you samurai jack" Demonogo

Demonogo is Aku most favorite minion.

Demonogo was summoned from the pits of hate by Aku and was ordered to find, kill, and steal the soul of Samurai Jack his masters archenemy. Demonogo happy toke his new assignment and presued him immedatily.