Throughout seasons 1-4, Aku was voiced by Mako, but due to his death in 2006, Aku was voiced by Greg Baldwin in Season 5.Īku constantly antagonized Samurai Jack: he often attacked him when he was weak, and other times defended himself from Jack's own gambits. Born from The Black Mass of Darkness, Aku was an evil, shape-shifting demon who took over the world and ruled it for countless eons, the arch-nemesis of Samurai Jack and the biological father of Ashi and her septuplet sisters. Aku, Original Intro for Samurai Jack and Episode CIĪku is the main antagonist of the series Samurai Jack. Now the fool seeks to return to the past and undo the future that is Aku.
Long ago in a distant land, I, Aku, the Shapeshifting Master of Darkness, unleashed an unspeakable evil.īut a foolish samurai warrior wielding a magic sword stepped forth to oppose me.īefore the final blow was struck, I tore open a portal in time, and flung him into the future where my evil is law.