Half-tooth was a smilodon that appeared in the episode 5 Sabre tooth of the series "Walking with beasts". Half-tooth was the leader of his smilodon pride until 2 brothers tried to take over. he was defeated. half-tooth was forced to leave. half-tooth lived the rest of his days solitary. eventually half-tooth found out that one of the brothers was killed, half-tooth being bigger than the brother killed him and took back his pride.