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
Il Est Dans Mon Poche
Over the Rhine
4 minsSister
Over the Rhine
8 minsHDIF (Reprise)
Over the Rhine
11 minsHow Does It Feel (To Be On My Mind)
Over the Rhine
15 minsCircle Of Quiet
Over the Rhine
19 mins
The Nintendo one is by far the most impressive to me. Very Escher-esque.