Delvin and Dillon are competitive twin Dilophosaurus. They each want to be the first at what ever the event is. When hunting they fight over there prey and they fight even on the train. Once they meet the Pteranodon Family mainly Buddy, Tiny and Mrs. Pteranodon they slowly changed from being a competitive duo to cooperative duo.
DelvinDelvin has a blue crest and green strip on his top jaw. Tiny was with team Delvin.
Dillion has a green crest and a blue strip on his top jaw. Buddy was with team Dillon.