Vampire (The Secret Serum)

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Vampire (The Secret Serum)
Vital Statistics
Species Vampire
Gender Female
Eye color Glowing purple
Other Statistics
Identity Sheila Altoonian
Reason Getting youth potion ingredients
Powers and abilities Gliding
Production Details
First appearance SDMI: The Secret Serum
Played by Kath Soucie

The Vampire was the disguise of Sheila Altoonian.

Physical appearance

She has a bald head, light blue skin, pink glowing eyes, and black clothes.

Powers and abilities

The Vampire has the ability to fly, but it shows she tied her self on a rope and using the abilities like a flying squirrel and that's how people see a real flying vampire.


Scooby-Doo! Mystery Incorporated

Season one

Sheila Altoonian

Sheila Altoonian unmasked

The Vampire first attacked when she stole a painting. She then attacked the gang in a greenhouse and stole a Star Orchid. The gang went to Dr. Calamari's restaurant and found the Vampire, but the gang accidentaly locked themselves in a cage and the Vampire stole a bottle of wine.

The Vampire was trying to steal a ruby in a museum called the Devil's Eye. Scooby cut the second net and it fell on her and it was Sheila Altoonian. She was jealous that her looks are fading away while Nan still looks like a teenager. Believing her rival to be a vampire Sheila red a book about the youth juice that will make her young and beautiful forever. She knew how to do gliding skills like a flying squirrel so she dressed herself as a lady vampire to steal the ingredients. Nan arrived and found out Sheila was the Vampire.

Sheila was then taken to jail by Sheriff Bronson Stone.



"Give me that painting!"

"That wine will be mine."


"One more ingredient and I will have eternal youth. FOREVER!"

"I want that ruby! The Devil's Eye. Finally I will have eternal youth of a vampire."

"Let me go! I'll strain you all!"

"Wait, I'm not a real vampire I'm..." (unmasks herself and was Sheila Altoonian)


The vampire

From the online game.

  • The Vampire was the first villain in the series to unmask herself, under threat of staking by Daphne.

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