Gridman is the titular Hyper Agent and main protagonist of the anime series SSSS.Gridman. He is a digital hero from another dimension who merges with the protagonist, Yuta Hibiki, to combat kaiju threatening the city. Gridman possesses a strong sense of justice, guiding and empowering Yuta and his friends to confront adversities. Throughout the series, he acts as both a protector and mentor, uncovering the mysteries behind the city's strange phenomena and encouraging the characters to grow stronger.