1363-1364. Crash and Eddie

Crash and Eddie were two twin brother opossums and new protagonists in the second film. Adopted brothers of Ellie the mammoth, they cared for her and taught her to hang by her tail from a tree branch when she slept, as they did.
They first made their presence known to the opening characters by means of shooting pebbles(or possibly spitballs) through reeds at Sid and Diego, then baiting them so as to humiliate them, but Diego began chasing them, leading both Sid and Diego to Ellie. After much persuasion, Ellie and her brothers joined Manny, Sid, and Diego, though Crash and Eddie spared almost no opportunity in bothering Diego.
As they traveled with Manny and his friends, Ellie grew closer to Manny, putting both Crash and Eddie somewhat closer to Manny and his friends, but creating a short grudge when Manny tried "hitting on" Ellie. In time, however, they saw behind the petty grudges and worked together with Manny, Sid, and Diego to escape the flood, but left with Ellie when she left Manny and his friends to cross the minefield, as she claimed that it was suicide to cross it. Crash and Eddie joined Ellie in trying to escape the flood, but soon ran into trouble when they were trapped in a cave.