Grouchy Pig

The Halloween Oink is a pig that appeared in the Angry Birds Friends Holiday Oink tournament.

Description
This fluffy pig has big bushy eyebrows and yellow eyes whit a green iris and black pupils. It has a grumpy expression.

Most likely it's a parody to the Grinch, a human-like monster wich hates Christmas, wich is a character from the stories by Dr.Seuss.