Anti is a unique character in the anime series SSSS.Gridman. Initially introduced as a kaiju created by Akane Shinjou, Anti is designed specifically to defeat Gridman. He possesses the ability to transform into a kaiju and later into a human form. Throughout the series, Anti undergoes significant character development and becomes an ally of Gridman, showcasing a complex personality that evolves from a single-minded antagonist to a hero with a sense of justice. Anti's journey explores themes of identity and purpose, making him a compelling character in the series.