Red Claw is a character in the Land Before Time TV series. He is a evil villainous male Tyrannosaurus Rex one of many creatures in the series referred to as a "Sharptooth" by the characters. He is the main villain in the show. In the show, he has two sidekicks, Screech and Thud, which are referred to as Fast Biters - they are Utahraptors. Red Claw is supposably the biggest, meanest sharptooth of them all, which is why he is the main villain. He appears in almost every episode.
Red Claw has a scar comparable to that of Scar, the main villain in Lion King.