What's The Big Frigin' Difference?!

The time has come to put yourself to the ultimate test. Scour through these seemingly identical photos and find the hidden difference to become a master in all things mighty.**HINT -- There are THREE differences in the above photographes!** 

Source: http://www.tmz.com/2013/01/20/whats-the-big-frigin-difference-tmz-games-photoshop/

Mike Myers Mike Newell Mike Nichols Mike van Diem Mikhail Romm