Okabe Rintarou, also known as Okarin, is the main character of the visual novel and anime series Steins;Gate. He is a self-proclaimed "mad scientist" who runs a small laboratory with his friends, where they accidentally discover a method to send messages to the past. Throughout the series, Okabe's character evolves as he grapples with the consequences of time travel and the emotional weight of his decisions. His quirky personality, marked by his eccentric behavior and catchphrases, contrasts with the serious themes of the narrative, making him a memorable and relatable character in the realm of anime.