If you're looking for anime similar to Spy Penguin (2013): White Christmas, you might like these titles.
In tiny Cube Town (a weird and cubistic place, but charming nonetheless), Pecola the penguin and his friends get into all sorts of mischief.
Hop on board another animated adventure with Pororo! The snow fairy village is under siege by a giant lava monster. Can Pororo and his friends save the village?
When Pororo finds out Santa is sick and can't make his trip to Cookie Castle, Pororo and his friends put their heads together to make sure it's a special Christmas for children all over. An adventure to Santa's village is in order!
A pirate ship arrives at the Porong Porong Forest. Realizing that they weren't on Treasure Island, and they kidnap everyone except for Pororo and Eddy to recoup their losses. Will they be able to rescue their friends safely?