Goblin or Ogre is a one-shot minor antagonist of the reboot TV series, Ben 10. It first appeared in the episode, Brief Career of Lucky Girl.
Brief Career of Lucky Girl
Hex used magic and turned the goblin statue to an actual goblin. Ben transformed to Heatblast and fought its fire with his fire. Later in the end of the episode, Oliver used the wand to turn the monster back to a statue.
The Goblin appeared as a blue giant monster, only wearing a primitive pair of shorts. It also had a frog like face. It breathes blue fire out of its mouth.
The Goblin is a mindless monster that only cares about wrecking.