Anti Gridknight is a pivotal character from the anime series SSSS.Gridman. Initially introduced as an antagonist, Anti is a kaiju created by Akane Shinjo with the sole purpose of defeating Gridman. Despite his initial role, Anti undergoes significant character development throughout the series. His persistent determination and encounters with Gridman and his allies lead him to question his existence and purpose. Eventually, Anti evolves into Gridknight, a formidable ally to the protagonists, showcasing themes of growth, redemption, and identity transformation, ultimately becoming a key player in the battle against greater threats.