Nightmare Humungousaur has been a stub for a while!

He is one of Ben's aliens when the Omnitrixes are stuck in Nightmare Mode! He is body is brown, black and orange. He now has a horn, new legs, tail, and wings.


  • Nightmare Humongosaur can fly.
  • He can stab enemies with his poisonous stinger and generate gust of wind with his wings.
  • He can ram at enemies with his bone horn, and has superhuman strength and the ability to grow to 70 ft.
  • His thick skin grants him durability and protection from minor injuries.



Nightmare Humongasaur

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