Yusuke Urameshi

Yusuke Urameshi 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.

At the start of the series, Yusuke is a teenage delinquent. He later changes into an almost altruistic defender of the Human World, along with Kuwabara, Kurama, and Hiei. He even revolutionizes the Demon World by preventing a war between Yomi and Mukuro after Raizen's death and overturning the previous system of separate countries in Demon World by founding the Demon World Tournament in which the winner becomes the one ruler of the Demon World; in his speech following the preliminaries, he even suggested that the tournament be held every few years like a presidential election and Enki, the first tournament champion, liked that idea by saying he would be the ruler for only 3 years.

Reigan is Yusuke's signature move. He concentrates his Spirit Energy into his right index finger and releases it as a projectile. After channeling his energy, he pulls the trigger in his mind when he wants to fire the "bullet." The Spirit-Gun blast can range in size from a small shot (at this point it was only twice as strong as his punch), to a full-sized cannon blast, to a near atomic-explosion, as demonstrated in the demon world tournament.