Yusuke Urameshi is the main protagonist in the popular anime series, Yu Yu Hakusho. After sacrificing his life to save a young boy from getting hit by a car, Yusuke becomes a Spirit Detective with the task of protecting the Human World from supernatural threats.

Kazuma Kuwabara is a major supporting character in the anime series, Yu Yu Hakusho. With his ability to create a Spirit Sword out of Spirit Energy, he is often found helping Yusuke fend of evil demons and spirits. 

Kurama is one of the main characters in the anime/manga series, Yu Yu Hakusho. Having the soul of a fox demon fused into his body, many know him as Kurama the Yoko due to his ability to transform to a Demon Fox form. Besides transforming, Kurama’s demon energy allows him to manipulate the plant life around him, allowing him to change a simple rose into a whip.

Hiei is one of the main characters in the anime and manga series, YuYu Hakusho. Hiei is a master swordsman who believes in a full offensive type strategy. Using his implanted demon eye, Hiei is able to utilize a wide range of psychic powers to help turn the tables in a battle.