When Michael Jordan retired , they withdrew the number 23 jersey as an honor . It 's the same thing with Heath . '' Barbella said he thinks any new performance just wo n't be able to top Ledger 's . `` He upgraded the character in a thrilling way , '' he said . `` Although a lot of actors would love the chance to play the Joker , as Batman fans and now Heath Ledger fans , we think no one could ever perform it as well as he did . '' The Web site is the brainchild of Barbella , 34 ; Nico Pimentel , 33 ; and Natalia Rodoni , 33 , all advertising creatives in Buenos Aires . The trio say that if they collect enough names , they may go to the studio to present their petition . `` As soon as we start seeing that we have more than 50,000 names on our Web site , perhaps we will go to the Warner Brothers gate and do a bit of activism , '' Pimentel said . The huge buzz around Ledger 's performance as the Joker last year stemmed from his update of
LONDON , England -LRB- CNN -RRB- -- A group of Heath Ledger fans have taken their reverence for the late `` The Dark Knight '' star to a whole new level . Heath Ledger fans launched a petition calling for studios to remove the Joker from future Batman movies . Followers of the actor , who electrified audiences with his chilling reinvention of the Joker in the second Batman blockbuster , are calling for the character to be retired from the movies permanently . Ledger supporters at new Web site , The Ultimate Joker , launched a petition last week calling for studios to remove the Joker from any future Batman movies . The petition currently has 2,431 supporters . `` We think Heath deserves this honor , '' the site 's team leader , Fer Barbella , told CNN from Buenos Aires , Argentina . `` He is the ultimate Joker . `` We are Batman fans from the comics and from the movies , '' he said , `` After we saw ` The Dark Knight , ' we thought this Joker was really the best . It deserves to be withdrawn from any Batman sequels . ``