AP - Happy 25th birthday, Jason. Alumni of the long-running "Friday the 13th" horror-flick series gathered at Universal Studios for closing night of the ScreamFest Horror Film Festival and a 25th-anniversary party celebrating all things Jason Voorhees — that hockey mask-wearing, machete-wielding, mass-murdering central character of the 11 low-budget films.{br}{br}View the Entire Article{br}{br}Click Here to Launch in a new Window