Louis is a molehog who is Peaches' best friend and has a crush on. He appears in Ice Age: Continental Drift. The other animals think that a relationship between him and Peaches is very ridiculous, but he still loves her. He is voiced by Josh Gad.
- He will reappear in an Ice Age crossover Manny, Sid, and Diego's Adventures of Kung Fu Panda 2, where, at the end, he will rejoin the Sub-Zero Adventure Group, along with Peaches and Sid's grandmother, Granny Sloth.