Thief Pig

Thief Pig is a pig that appears in the Angry Birds series who debuted in Angry Birds Evolution.

Appearance
He is a pig but with a robber's clothing.

Personality
He steals stuff from other characters and he is against the birds like most pigs.

Angry Birds Evolution
Thief Pig makes his debut in Angry Birds Evolution as an enemy who can steal stuff forcing the player to pay him gems. He however doesn't deal any damage to the player. He can also get away during battles.

Piggy Tales: 4th Street
He appeared in four episodes which were Holiday Heist, Cops N' Robbers, Getaway Loot and Pigs Can Fly.

Trivia

 * While he did not appear in Angry Birds Epic, a similar pig appeared as an enemy but he didn't have any special functions unlike him.