Spooky Empire’s first year in Tampa will feature the “Queen of Halloween” and the godfather of shock rock.

The “thriller convention,” coming to the Tampa Convention Center Oct. 31 to Nov. 3, has added Cassandra Peterson, best known as Elvira, Mistress of the Dark, and musician Alice Cooper to its lineup of celebrity guests.

Peterson will make a rare appearance in full Elvira costume on Nov. 1, and will sign autographs as herself on Nov. 2 and 3. Cooper will have autograph signings Nov. 1 and 2, and will take photos with fans on Nov. 2 only.

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They join a bill of horror film industry veterans like directors Sam Raimi (Army of Darkness, Evil Dead, Spider-Man and Drag Me to Hell) and Clive Barker (Hellraiser, Candyman, Midnight Meat Train), plus actors Mia Farrow (Rosemary’s Baby, The Omen) and Bruce Campbell (Army of Darkness, Evil Dead, Bubba Ho-tep).

Billed as the “dark side of comic-con,” Spooky Empire is going into its 15th year. The pop-culture convention focused on horror and science fiction drew around 15,000 guests last year in Orlando.

The convention features a wide selection of collectibles, vendors, film screenings, tattoo artists and the chance to participate in “one of the largest zombie walks in the country,” organizers said. Celebrity guests will also participate in panels and Q&A sessions, though that schedule hasn’t been finalized yet, according to a spokesperson for Spooky Empire.

Tickets and multiday passes, ranging from $20 to $90, are on sale through spookyempire.com.