Ice, Ice Baby

The Ice Age movies would arguably be rote offerings, were it not for the segments featuring Scrat the Squirrel and his fruitless quest for the Ultimate Acorn - pure animated slapstick genius, and an obvious nod to the Looney Tunes era.

And apparently they're still churning these movies out, which is what inspired Bruce Lowell to pretty much nail the essence of Scrat in LEGO here...