Rintarou Okabe is the main character of the visual novel and anime series Steins;Gate. He is a self-proclaimed "mad scientist" who often refers to himself as "Okarin." Okabe is known for his eccentric personality, often speaking in a dramatic manner and using a variety of quirky phrases. He is deeply passionate about science and technology, particularly in the realm of time travel. In the story, Okabe and his friends accidentally discover a method to send messages to the past using a modified microwave. This leads to a series of events that challenge their understanding of time and reality. Throughout the series, Okabe's character develops as he faces the consequences of their experiments and the emotional struggles that arise from them.