Aku can refer to:*The word for "me" or "I" in the Malay language The name of a god of the moon, meaning "moon", in Babylonian mythology An ethnic group in Gambia consisting of descendants of former slaves The romaji spelling of the Japanese word for "evil", written "あく" in hiragana or, more commonly, "悪" in kanji The antagonist of Samurai Jack The Hawaiian word for skipjack tuna An archaic work for the Yoruba people A brand of Italian-made trekking shoes As an abbrevi… (More on Aku)