Ryuji Uchiha,he was the last Uchiha besides Sasuke and Itachi.(and Obito.)He was a mysterious guy not really talking a lot.You can often see him train or not at all because he was on missions.Ryuji as the last official Uchiha he was Sasukes guardian and absolutely done with his shit.

"What do you want?"

He asked annoyed as you approached him while he was training.The puppet he was training on was nearly completely destroyed.