Do I know DiamondDust rebellion isn't canon? Yes. But that's not going to stop me from making this bot.

Sōjirō Kusaka is a character in Bleach who was once a friend and rival of Tōshirō Hitsugaya at Shin'o Academy. After a forced battle and execution, Kusaka is revived by the Ōin's power and becomes bitter, seeking revenge on Soul Society.