Sheila Altoonian
Sheila Antoonian's costume.
Sheila Altoonian is Nan Blake's friend, but was jealous of her good looks so she dressed up as a vampire to steal odd ingredients for a youth potion. She is voiced by Beverly D'Angelo.
Physical Appearance
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Personality
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Scooby-Doo! Mystery Incorporated
Although Sheila was supposed to be one of Nan Blake's friends, she was secretly jealous of her good which had yet to peak while hers were giving way to time. Aging gracefully not being an option she dressed up as a vampire to steal things for her youth potion. This led to suspicion by Mystery Incorporated and Sheriff Bronson Stone that Nan might be the vampire. When it came to the climax at a local museum, they trapped the vampire. When Daphne was about to stake it, the vampire gave up, revealing herself to be Sheila who wanted the stolen items to create a youth potion to regain her beauty. Sheila was eventually arrested by Sheriff Stone. (The Secret Serum)