- "I say it's a...big old...buggy-eyed...sabor-toothy...Skullasaurus."
- —Rabbit, Pooh, Piglet, Eeyore
The Skullasaurus is the main antagonist in Pooh's Grand Adventure: The Search for Christopher Robin. Owl believes it kidnapped Christopher Robin, to Skull. It is later revealed that its roar was nothing but the "rumbly tumbly of a Honey hungry Pooh Bear." At The Upside Down Rock, Rabbit read the chant on the map, "The Upside Down Rock. If you've made it this far, you're where monsters are." which the curse has upon when it howls in distance.
- The Skullasaurus is rumored to be a dinosaur, or a demon.