<P> Mavis angrily transforms into a bat to fly her and Johnny back to Transylvania . Drac and his friends reach the hotel a couple of seconds after Mavis . She confronts her father for putting Dennis in grave danger and his inability to accept that he is human . She states she will move out of the hotel after Dennis' fifth birthday the following Wednesday . Drac hangs his head with deep guilt . </P> <P> Mavis invites Vlad (Mel Brooks), her grandfather and Drac's father, to Dennis' birthday party . As Vlad is much worse than he was when it comes to humans, Drac tells Johnny to have the human party - goers disguise themselves as monsters . Vlad receives the invitation and arrives with his monstrous bat - like servant Bela (Rob Riggle) to meet his great - grandson for the first time . Meeting him, he believes that fear will cause Dennis' fangs to sprout and possesses a stage performer dressed as Dennis's favorite television monster, "Kakie the Cake Monster", to scare Dennis, but Drac shields his grandson at the last moment and exposes the deception to Vlad, who is outraged that Drac has accepted humans as guests in his hotel . Drac confronts his father about how humans are different now . Mavis becomes upset with her grandfather's behavior . </P> <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 . Drac, Mavis, Dennis, Johnny, the rest of the monsters and Johnny's family team up to defeat his minions . A livid Bela then attempts to kill Johnny himself with a stake . Having been won over by Drac's claim that humans are harmless now, Vlad shrinks Bela and tells him never to bother his family again . Bela then flees . </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>

Does dennis become a vampire in hotel transylvania 2