Tulio Bokun (僕ん闘莉王) is a character and friend of Satoshi and Billy. He is a Japanese of Belarussian ancestry, He is brillant martial art fighter and rally racer.
Born and raised in Minsk, Belarussian SFSR, USSR to Belarussian-born Japanese father and Japanese mother. Before in middle school, He drive Lan Evo I to against His father's Citroen 2CV - got defeated and crashed. He lose to control a Lan Evo, brought a 2CV and dismissed Lan Evo, a slow car.
- He was best friend of Satoshi and Billy.
- He drive a 2CV, with a brillant drifting.