 Fang is a female Tyrannosaurus rex, she tragically lost her young around the same time she crosses paths with Spear who is a caveman forming a friendship with them. Fang is a reserved and brave hunter who does not shy away from violence when confronted. Despite being a primitive animal, she possesses keen intelligence with deducing when to fight back and when to maintain self-preservation. Fang is quite cognitive to the degree that she can communicate with Spear. 