Meet the Characters of 'Hotel Transylvania 3: Summer Vacation'4 of 11
Dennis (Asher Blinkoff)
Dennis is the half-human, half-vampire son of Mavis and Johnny, and loves shape-shifting and his new pet: an elephant-sized puppy named Tinkles. As Dennis can’t bear to leave the mischievous puppy behind, he secretly sneaks Tinkles onto the cruise and disguises the massive dog as one of the passengers.
Dennis is the half-human, half-vampire son of Mavis and Johnny, and loves shape-shifting and his new pet: an elephant-sized puppy named Tinkles. As Dennis can’t bear to leave the mischievous puppy behind, he secretly sneaks Tinkles onto the cruise and disguises the massive dog as one of the passengers.