Crasher, Smasher and Thrasher

Crasher, Smasher and Thrasher are the main antagonists of The Land Before Time X: The Great Longneck Migration and minor antagonists in Peenut The Third and Land Before Time Origins: Hypnobrai. They were killed in LBT Origins: Hypnobrai after a failed surprise attack on the New Goodgroup by a pile of rocks.

Trivia

 * In an alternate universe, Crasher is known as Crusher instead.