Hammer is a female Pachycephalosaurus Wyomingensis. She was one of the primary characters of season one and has a rather antagonistic rivalry with Bloodtooth, a female Tyrannosaurus Rex. After her absence in season two, Hammer returns for a brief three episodes of season three.

History Edit

Dinosaur Island Edit

Season 1 Edit

Storm Edit

A huge storm hits the South side of the island.

Appearances Edit


Gallery Edit


Trivia Edit

  • In Dinosaur Island Revival, it is revealed that Hammer had a daughter by the name of Mallet.