<P> While the family argues, Dennis sadly flees the hotel and enters the forest with Winnie in tow, hiding in her treehouse . They are attacked by Bela, who mistakes Dennis for a human . When Bela injures Winnie and threatens to destroy the hotel, Dennis' anger causes him to instantly grow his fangs and his vampire abilities manifest . He begins to fight Bela, who calls his giant - bat minions . Dracila, Mavis, Dennis, Johnny, the rest of the monsters and Johnny's family team up to defeat Bela's allies . A livid Bela then attempts to kill Johnny himself with a stake . Having been won over by Dracula's claim that humans are harmless now, Vlad shrinks Bela and tells him never to bother his family again . </P> <P> With Dennis having vampire abilities, Mavis and Johnny continue to raise him in Transylvania, and they resume the party with his friends . </P> <Ul> <Li> Adam Sandler as Count Dracula, the 539 - year - old founder, owner and hotel manager of Hotel Transylvania, Mavis' father, and Dennis's grandfather . </Li> <Li> Andy Samberg as Jonathan Loughran, a 28 - year - old human, Mavis's husband, Dracula's son - in - law, and Dennis's father . </Li> <Li> Selena Gomez as Mavis D. Loughran, Dennis's vampire mother, Dracula's 125 - year - old vampire daughter, and Johnny's wife . </Li> <Li> Asher Blinkoff as Dennis Loughran, Mavis and Johnny's five - year - old dhampir son, who resembles his father but inherited his vampire abilities from his mother . <Ul> <Li> Sunny Sandler as baby Dennis </Li> </Ul> </Li> <Li> Kevin James as Frankenstein </Li> <Li> Steve Buscemi as Wayne, a werewolf . </Li> <Li> David Spade as Griffin the Invisible Man </Li> <Li> Keegan - Michael Key as Murray, a mummy . He was previously voiced by CeeLo Green in the first movie . </Li> <Li> Mel Brooks as Vlad, Dracula's father and Mavis' grandfather . </Li> <Li> Fran Drescher as Eunice, the wife of Frankenstein . </Li> <Li> Molly Shannon as Wanda, a werewolf and Wayne's wife . </Li> <Li> Nick Offerman as Mike Loughran, Johnny's father, and Mavis's father - in - law . </Li> <Li> Megan Mullally as Linda Loughran, Johnny's mother, and Mavis's mother - in - law . </Li> <Li> Dana Carvey as Dana, the vampire camp director . </Li> <Li> Rob Riggle as Bela, Vlad's bat - like servant . </Li> <Li> Jonny Solomon as Blobby, a green blob monster . </Li> <Li> Chris Kattan as Kakie, a cake monster from Dennis' favorite television series . </Li> <Li> Jon Lovitz as The Phantom of the Opera, Hotel Transylvania's residential musician . </Li> <Li> Robert Smigel as Marty, a pink gill - man and Harry Three - Eye, a monster magician . </Li> <Li> Luenell as Shrunken Heads . </Li> <Li> Sadie Sandler as Winnie, the werewolf daughter of Wayne and Wanda, and Dennis' best friend . </Li> <Li> Paul Brittain as Pandragora, an easygoing monster with tentacled hair that lives in Santa Cruz . </Li> <Li> Nick Swardson as Kelsey, a bearded man who is Mike and Linda's neighbor . </Li> <Li> Chris Parnell as Fly </Li> <Li> Doug Dale as Kal, a Mini-Mart worker in Santa Cruz . </Li> <Li> Ethan Smigel as Troy, Dennis' uncle and one of Johnny's younger brothers . </Li> </Ul> <Li> Adam Sandler as Count Dracula, the 539 - year - old founder, owner and hotel manager of Hotel Transylvania, Mavis' father, and Dennis's grandfather . </Li>

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