Polar Bear

The Polar Bear is a side boss character in the Season 4 episode The Christmas Special.

History
In the last trial, Skips translates and states that someone must wrestle a bear. Being a skilled wrestler, Pops challenges the bear, despite protests from the others. Pops is initially overwhelmed by the bear, but he eventually overpowers it and wins. The bear opens a portal in its stomach to allow the group into the lava pit.