The Angry Birds are quite a catch, it seems. Franchise creator Rovio announced this morning that earnings in 2011 topped $100 million, which it owes solely to sales of the Angry Birds franchise. "The heavy investments made in 2011 to all business areas will be seen in future products," Rovio CEO Mikael Hed noted in the press release. "To ensure continuous success we need to be creative and stay focused on entertaining our millions of fans by continuously developing new and innovative products and services."

Hed doesn't necessarily mean branching out from his company's most popular franchise, of course. Especially not after such a big year for merchandising surrounding the Angry Birds - Rovio's "consumer products" unit took in "about 30 percent" of 2011's total earnings (approximately $31.9 million). That's a lot of Angry Birds gummy snacks!

Rovio's $106.3 million in revenue (not profit, mind you, but revenue) is owed primarily to growth in the Finnish company's Angry Birds games catalog, which expanded by just one game in 2011: a movie tie-in named "Angry Birds Rio." The games have been downloaded approximately 648 million times across all platforms as of Dec. 31, 2011, and have a monthly user base of approximately 200 million.

[Image credit: Flickr user 'Nearsoft']