Bipolar faces;

#1 - I really like this one, don't know if it's good idea for tattoo though,
https://static.suite.io/suite_images...b546b91133.jpg

#2 - bit creepy version of the comedy/tragedy
http://www.mindrollscubes.com/wp-con...polar-Mask.jpg

#3 - An idea for small symbolic tattoo : ) :