Gaara

Gaara is a major supporting character of the  series, In Part I of anime is as an antagonist. As the ex-jinchūriki of the One-Tailed Shukaku, as he losses it in the Part II.

Character description
Gaara gained the nickname "Gaara of the Sand". In Part II of the series, he becomes the Fifth Kazekage of Sunagakure.

In Super Smash Flash 2
He makes a minor cameo in Super Smash Flash 2, watching players fight in the stage, Hidden Leaf Village. He is one of the numerous background characters in that stage, alongside Rock Lee, Chōji Akimichi, Shikamaru Nara, Hinata Hyūga, and Itachi Uchiha.