That's rude cause everyone has been a kid. Kids aren't monsters, they just go through their phases. It bothers me how people think kids are "annoying" in reality they are just little bundles of joy who need love. kids are just kids!
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.