Yusuke Urameshi

Yusuke Urameshi (浦飯 幽助, Urameshi Yūsuke) is the main protagonist of the manga & anime series YuYu Hakusho. His closest friends and greatest allies include Kuwabara, Kurama, Hiei and Keiko. Yusuke also makes friends in Shizuru Kuwabara, Yukina, Chu, Rinku, Toya, Jin, Suzuka, and Shishiwakamaru. His superiors include Genkai (his mentor), Koenma and Botan (his boss until the end of the Sensui arc and guide/assistant, respectively), and Enki (the First Demon World leader after winning the first Demon World Tournament). His sparring partner and closest advisor in Demon World is Hokushin. He is also the de facto leader of Team Urameshi and briefly the king of Raizen's country before he abdicated the throne in favor of the Demon World Tournament.