Aku is the shape-shifting master of darkness and the main antagonist of Samurai Jack, the animated series created by Genndy Tartakovsky that premiered in 2001. Voiced by Mako Iwamatsu, the character became iconic for his dramatic speeches and theatrical evil laugh. Clips of that laugh spread across meme edits, soundboards and reaction videos, where it is used to signal mocking villainy rather than real fear. Its deep, echoing tone still makes it instantly recognisable to fans of the show.
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Aku's evil laugh from Samurai Jack, the deep demonic cackle of the shape-shifting villain. Used in edits for villains, reveals and over-the-top evil plans.
Aku's laugh is a long, booming, demonic cackle that rolls out in deep waves, starting low and swelling into a manic, echoing roar. Voiced with theatrical menace, it fills the whole scene and makes even a simple moment feel like a master villain has just revealed his plan. The sound is unmistakably cartoon evil, proud, mocking and a little unhinged, which is why it lands so well as a punchline. It turns confidence into arrogance and gives any character or clip an instant aura of exaggerated, unstoppable villainy.
