I love optical illusions, and this guy is a master. He has lots of videos on Youtube, here are three favorites.
As it were…
As it were…
The ruminations of topher1kenobe
Recent tunes
Dearest Darling
Bo Diddley
9 hoursDon't Let It Go (Hold On To What You Got)
Bo Diddley
9 hoursYou Can't Judge a Book By It's Cover
Bo Diddley
9 hoursI'm Sorry
Bo Diddley
9 hoursRoad Runner
Bo Diddley
9 hours
The Nintendo one is by far the most impressive to me. Very Escher-esque.