Demongo, also known as the Soul Collector, the antagonist and is one of Aku's strongest minions. The demongo looks like a black demon wrapped in a huge cloak, under which there is a belt of souls. While the Demongo has souls, his head is consumed by blue flames. Demongo is very cowardly and weak without collected souls, he is cunning and insidious, arrogant, charming. He does not fight his own battles, but summons the essence of mighty warriors from his belt to fight for him.