Crash and Eddie are two antagonizing twin possum brothers, who both first appeared in Ice Age: The Meltdown. Crash is voiced por Seann William Scott in the filmes and James Arnold Taylor in the Ice Age 3 video game. Eddie is voiced por Josh Peck.
As children during the Ice Age, Crash, Eddie and their mother adopted an young abandoned mammoth called Ellie, making her forget her origins and making her think she's an opossum. In the later years, they are met por Manny, Diego and Sid who were trying to escape from the flood and soon become part of the gang/family.