Richie Tozier is a fictional character from Stephen King's novel It. He is known for his quick wit, humor, and ability to make jokes, often using his talent for impersonations. Richie is a member of the Losers' Club, a group of children who band together to confront the malevolent entity known as Pennywise. In the story, Richie is portrayed as a loyal friend who supports his peers during their struggles. He often uses humor as a coping mechanism to deal with the fear and trauma they face. Richie's character is significant in illustrating themes of friendship and bravery in the face of adversity.