Aku was the main antagonist of the series Samurai Jack. Born from The Black Mass of Darkness, Aku was an evil, shapeshifting demon who took over the world and ruled it for countless eons, …

Aku is the main antagonist of Cartoon Network/Adult Swim's fantasy animated series Samurai Jack. He is a ruthless, diabolical, and manipulative demon sorcerer, who serves as the arch …

Mad Jack was the embodiment of Jack's inner negative emotions, temporarily given form by Aku to defeat him using his own skills against him. He made his first appearance in Episode VIII: …

Mad Jack is a major antagonist in the Samurai Jack series. He is a mystic clone of Samurai Jack created by Aku to defeat the samurai by using his own skills against him.

Jack 's conscience, also known as Inner Jack, is a recurring character in the fifth Season of Samurai Jack, which is revealed to be the return of Mad Jack, who manifested himself as …

Aku once accidentally infected Jack with a flu he was carrying, and then withdrew to his fortress. Unbeknownst to him, this virus began to slowly transform Jack into a smaller version of Aku, …

Aku is the main antagonist of Cartoon Network/Adult Swim's 2001 animated fantasy series Samurai Jack. He is an evil, manipulative and destructive demonic being who came to be from …

Aku is the main antagonist of the Cartoon Network/Adult Swim animated series Samurai Jack. He is a ruthless, diabolical, and manipulative demon king, the arch-nemesis of Samurai Jack and …

Images and videos of Aku from the Samurai Jack animated series. Aku's birth. Aku beginning his rampage. Aku destroying the Emperor's home. Aku laughing as he slaughters the Japanese …

Aku is the main antagonist from the Warner Bros and Cartoon Network (Now moved to Adult Swim) animated show, Samurai Jack. He is an evil shape-shifting demon and dictator that took …