Dennis Dracula-Loughran

Dennis "Denisovich" Dracula-Loughran (known as Vampire-Spider Boy) is a major character in the Hotel Transylvania film series. He is the protagonist of Hotel Transylvania 2, and the tritagonist in Hotel Transylvania 3: Summer Vacation. He is the half-human/half-vampire son of Jonathan and Mavis. He is also the grandson of Dracula and Martha (his maternal grandparents) as well as Peter B. Parker (his adoptive brother) and Mike and Linda (his paternal grandparents). Through Mavis, Dennis is also the great-grandson of Vlad (his mother's paternal grandfather).

He is voiced by Asher Blinkoff as kid and Sunny Sandler (who did voices Sunny, sister of Winnie) as baby.