Bertie is Bella's twin brother. He was adopted by human parents who live in London and very much wanted a baby. Bertie is BIG, but shy, so he always tries to hide in the background. Luckily for him, he has a rare monster-quality of being able to change colour, like a chameleon, making it easier for him to hide. But his school's drama club found out and now he makes a perfect back-drop for all the school plays, the perfect role for him! Like Bella, Bertie loves climbing, although he is a little nervous so he usually just sticks to trees.
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