Buck (voiced by Simon Pegg) is a character from Ice Age: Dawn of the Dinosaurs.
A slightly unhinged weasel, Buck has fallen into the world of dinosaurs at a young age and made the most of his time there, staking a life for himself. Constantly seeking adventure in all of it's forms, notably doing battle with the immense albino Baryonyx known as Rudy, that had cost Buck his left eye.
- Buck will meet Jeffrey and his team in Jeffrey & Friends' Storm Adventures of Ice Age: Dawn of the Dinosaurs.
- Buck will guest star in the Jeffrey & Friends are Home Alone trilogy. At the end, he'll join the team.