Top 10 Textbook + Homework Vandals [PHOTOS]

Admit it.  We all did it.  Don't lie.  Doodling in your text book, drawing on your homework, or other forms of probably innocent distractions from the studying you should have been doing.  But, where you ever at these guys' expert level? 

These are a collection of the world's best text book, test, and homework vandals to date.  Get ready to laugh out loud, folks.