Rock Lee (ロック・リー, Rokku Rī) is a shinobi of Konohagakure’s Lee clan and a member of Team Guy. Unlike most shinobi, he lacked the skills necessary to use ninjutsu or genjutsu. However, he overcomes those shortcomings by undergoing special training from Might Guy that would make him a taijutsu master while still a genin.

Under Guy’s leadership, Lee has acquired a number of his sensei’s personality traits: he is energetic, optimistic, and hot-blooded, and shows the epitome of a “nice guy”. He believes that one cannot dislike food and shows strong dedication to his promises; when this promise is broken, just barely, he assigns himself arduous training to prevent it from happening again. Lee speaks respectfully to others, never using contractions or swear words and always addressing people with appropriate honourifics (except his teammates, since Lee feels they are close enough to be spoken to informally). He also carries a small book and pencil to recall advice that Guy gives him over time.