Q:Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who plays spooky pranks on the teenage girls ? Title: Monsters Crash the Pajama Party Movie plot: BOO!!! Grab the kids, lower the lights, and turn every night into Halloween with the MONSTERS CRASH THE PAJAMA PARTY SPOOK SHOW SPECTACULAR! Get ready to scream, shiver, and shudder as your living room becomes a haunted house - a virtual Chasm of Spasms - that we DARE you to tour from top to bottom! It's a Spookaroo Whoop-de-doo with this Terrorific 3-Hour-plus Spooktacular containing everything you need for your very own Spook Party! Just add screaming.Start with the Special Introduction in Hypnoscope! Let the Power of Hypnosis Heighten the Horror! Then join some terrified teens who spend a night in a haunted house and get spooked by a mad doctor and his ghoulish gang when the MONSTER CRASH THE PAJAMA PARTY, a hilarious 1965 spook show theatrical featurette complete with werewolf, gorilla in a fur coat, and goofy gimmick! Beware, they might get YOU! Feel your eyes pop out of their sockets when you check into THE ASYLUM OF THE INSANE, a starling Short Subject with monsters in 3-D Spookarama! FREE 3-D GLASSES INSIDE! Relive the glorious days of the Midnight Spook Show with the Spooks-a-Poppin' Trailer Show containing over 45 minutes of rare Spook Show previews for such midnight attractions, as the Great London Ghost Show, Dr Evil and His Terrors of the Unknown, Dr. Jekyl and his "Real Gone" Weird Show and many, many more! Thrills and Chills to Scare Your Pants Off! Can you sing and scream at the same time? Try with our Spooky Musical Soundies! Gasp at Horror Home Productions from the 1920s, '40s, and '60s as you witness "London After Midnight," "The Mummy," "Mr. Hyde," and more! Special Bonus:Groovy ghoulie musical accompaniment by the Chiller Theatre house band, The Dead Elvi! Frightened of the dark? Watch the Spooky Educational Short Subject Don't be Afraid! Take a Spook House Ride! Shriek at a Drive-In Werewolf! Beware! Ghouls run loose in Chased By Monsters Be amazed at the Gallery of Spook Show Stills and Exploitation Art with an incredible 300 (count 'em!) images with Spooky Radio-Spot Rarities!...
A:
Mad doctor and ghoulish gang.