The Bulldozer-saurus is a non-playable character from the Treehouse of Horror XXV Event, and is originally from the Treehouse of Horror XXII episode segment "In The Na'vi" as the weapon to destroy Superintendant Chalmers' robot in Regal 7. The Bulldozer-saurus was made craftable after phase 2 if not obtained during the Ray Guns phase for 2825 Ray Guns.