Here are some other sites dedicated to the Clown Prince of Crime. If you know of any others, please let me know
The Ha-HaciendaThe Ha-Ha-Hacienda
Joker Inc.
Gotham Clowns
And here we have some other sites related to the Batman Universe...
Harley Quinn
Harley
Quinn's Haven of Hedonism
Two Face
Bad Side
of the Coin
Catwoman
Feline FataleCovers every aspect of the
character, from Golden Age to present, comic book to film.Catwoman Center Takes a while to download, but full of information about the monthly book.
Noel Schornhorst's Catwoman Page