Sam Spratt

Sam Spratt is a painter who painted realistic pictures of Angry Birds.

Pig in the dark
Sam Spratt first painted a picture called "Pig in the dark" just for fun.

Working with Rovio
The painting "Pig in the dark" (depicting Foreman Pig went viral on the internet very soon. Then, out of the blue, Rovio contacted Spratt and asked him to paint some of the main Angry Birds characters.  The only limitations was that he couldn't paint them with wings or feet, like he had planned.

These paintings can be unlocked in Angry Birds 2 as 4 profile pictures.

Trivia

 * Sam Spratt also did the cover art of the January 2013 issue of Gameinformer, a popular gaming magazine.