Atomic Pig

Atompig is not necessarily a pig, but is affiliated as one. He appears in Angry Birds: The Birds Are Trapped! He also appears in Angry Birds Websites.

Strategy
This guy is somewhat, hard to defeat. To get past his electrons, Timing is key. Also, keep this pig away from another one of its kind, otherwise, they'll merge to create a stronger, sturdier version of themselves. They explode after defeat, which is helpful for blowing up structures.

Appearance
He looks like a blue pig, with maroon eyebrows, ear holes, and nostrils with a red snout. He also has light yellow orbs orbiting him.

Trivia

 * If you get two Atomic Pigs close enough to an Atomic Pig, they'll explode into water. Symbolising that you created H2O.
 * His name is a portmanteau of "atomic" and "pig".
 * He appears in Anger birds