Notorious for his cruel and deceitful fighting ability, Hisoka has proven to be deadly. His deviousness and volatility has made many opponents have difficulty anticipating his next move, and this has led to him winning many battles. Using Shu powered poker cards as his primary weapon, he throws them with ease and deadly accuracy.
Also, he very intrigued by Gon and the potential this young boy has to become an adept and powerful adversary. Hisoka, ever looking for a strong opponent, is willing to aid, or at least not defeat prematurely, someone that could develop into a future opponent.

A man who is always seen to wear sunglasses and a bartender's suit. Although quiet and nondescript while not angered, he has a very short fuse and fights with incredible strength.He works as a debt collector in Ikebukuro and carries intense animosity towards Izaya. He has a younger brother, Kasuka, who is a top idol under the showbiz name of Hanejima Yuuhei.

Gintoki Sakata is a former samurai living in an era where Aliens known as the Amanto have come to Earth, and the Samurai have been defeated. In the Joi war, he was known as the "White Demon" (白夜叉 Shiroyasha?) due to his silver hair and white coat he wore in battle, which, combined with his impressive capabilities as a swordsman, made him famous among his comrades and struck fear into Amanto. Gintoki now lives with Kagura and Shinpachi, taking on odd jobs.
Gintoki has naturally permed silver hair, which he blames for his lack of a love-life.[7] He has a crush on the TV's news weather girl, Ketsuno Ana.[8] Though several female characters have shown an interest in Gintoki, he usually does not show any response back and merely puts up with them as annoyances and even attacks the ninja Sarutobi Ayame who tends to stalk him.

Asakura Hao is the main antagonist in Shaman King. During his third life he becomes the twin brother of his descendant Asakura Yoh. His name translates to Leaf King. He is the most powerful shaman in the entirety of the series.Hao is usually calm, cruel, and all smiles. The occasions when he is really angry are very rare and when he is angry with someone, that person is usually killed and burned to their soul by The Spirit Of Fire. He also likes to watch Shaman Fights, particularly those that involve strong Shaman, and Asakura Yoh. He is not only interested in that, but also claims that when Yoh reached his limit, he will eat him to become the strongest Shaman.