When we were two, we were best friends. I mean, I knew everything about this girl. I knew her favorite color, her favorite food. Then we became six, Eric made fun of me because it wasn’t cool to have a best friend that was a girl .
Joker and Robin were classmates - Heath Ledger and Joseph Gordon-Levitt as classmates in 10 Things I Hate About You -- That awkward moment when you discover that Joker from Batman and Robin were classmates.