Retsu Kaioh is a prominent character from the anime series 'Baki the Grappler'. He is a Chinese martial artist and a master of Kenpo. Known for his disciplined and honorable demeanor, Retsu strives to perfect his martial arts skills and often participates in underground fighting tournaments. Despite his calm exterior, he is a formidable fighter with incredible speed and strength. Retsu's role in the series is to showcase the power and depth of traditional martial arts, often acting as a mentor figure and a rival to the protagonist, Baki Hanma.