Originally Posted by Smiert Spionam
Nah. The Mad Hatter's real name is Jervis Tetch, and that's not what Batman called him. IMDb lists him as "Joker's Thug."
Where's this Mad Hatter stuff coming from anyway?
Batman said he is a schizophrenic named Jerviz Tetch...and the pool stick was to fight for the last spot in Joker's gang.