Because the September 11 attacks occurred so close to Halloween Horror Nights XI , Universal made many changes to tone down the event . Lots of gore was scrapped from the event , and blood was replaced with green " goop " . The names of several houses , scare zones , and shows were changed . The original icon character " Eddie " was scrapped . Edgar Sawyer was conceived as a demented , chainsaw-wielding horror movie buff that had been disfigured by a fire . He was supposed to be a threat to previous icon Jack and the tagline " No more clowning around " was used , and seen on early advertisements and merchandise . Eddie was ultimately removed from the event before it began , although he was still appearing on that year 's logo and merchandise with the official " I.C.U. " tagline . As a hurried replacement , Jack would return along with a line of merchandise bearing the tagline " Jack 's Back . " Eddie 's back-story was changed , and his name was changed to Eddie Schmidt , Jack 's younger brother . The event again ran for 19 days , admission was $ 48 , with five haunted houses . The dual house was in Soundstage 22
September 11 attacks
September 11 attacks
Halloween Horror Nights