The Hamsterdactyls, also known as Tony, Dawn and Orlando are the pets of George and Harold and the result of Crackers the Pterosaur and Sulu the Bionic Hampster mating

Book 11

The Hamsterdactyls appear when the Turbo Toilet 2000 knocks the treehouse again and again and the eggs that they were made in cracked. They took a liking to Yesterday George and Yesterday Harold. However, they realized that the boys were in danger and destroyed the Turbo Toilet 2000.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.