Haruchiyo Sanzu is a prominent character in the anime and manga series Tokyo Revengers. As a high-ranking member of the Tokyo Manji Gang, he is known for his unpredictable and violent nature. Sanzu serves as a close aide to Mikey, the gang's leader, and later becomes the vice-captain of the Second Generation Tokyo Manji Gang. Sanzu is both feared and respected by his peers, and his actions often play a pivotal role in the unfolding gang conflicts throughout the series.