The Ghoul School girls' fathers are famous Universal Monsters: Dracula, Frankenstein, the Wolf Man, the Mummy, and the Phantom of the Opera.
Phantasma's father is the Phantom of the Opera but here he is portrayed as a ghost instead of as a disfigured human and he wears no mask.
Cartoon Network and Boomerang loved airing this film during the early 2000s, seemingly airing both this and Scooby-Doo und die Außerirdischen (2000) at least once a month.
It is implied that Sibella may be only half vampire: She can be outside during the day and is completely unaffected by sunlight, unlike her father.
The little girl mummy name Tanis is also a city in the north-eastern Nile Delta of Egypt. It is located on the Tanitic branch of the Nile which has long since silted up.