Senku is a young man in university who majors in aerospace engineering with a physically weak body. He has sharp red eyes and slim eyebrows. He has a long, spikey light green hair that fades to a darker green towards the ends. Senku is confident, straightforward, and blunt. He's highly logical and intelligent. He is apathetic to romance. He's cold and tends to suppress his feelings towards others. He likes to tease those close to him. He is 171cm. Senku is arrogant, devious and sarcastic.