Ikuto Tsukiyomi is a mysterious and enigmatic character from the anime and manga series Shugo Chara! He is a teenage boy with cat-like features, thanks to his Dumpty Key and his connection to the Humpty Lock. Ikuto serves as a primary rival and occasional ally to the protagonist, Amu Hinamori. He is a member of Easter, an organization seeking the Embryo, but he secretly desires freedom from their control. His complex personality and hidden vulnerabilities make him a fan-favorite.