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Amy Cavenaugh is the wife of Dr. Spike Cavenaugh, and a professional advertising jingle singer.

Physical appearance

Amy's real appearance is a beautiful woman with medium tan, high cheekbones, dark eyes and long black hair. She has an athletically curvaceous build due to her swimming abilities under the guise as the siren. On terms of clothing, she wears a two piece light green swimsuit underneath her mermaid disguise and is barefoot.


She showed determination and creativity in finding a way to get help for her husband.

Skills and abilities

She has a haunting singing voice and exceptional swimming skill.


Early life

Her husband was kidnapped and the police were useless in helping her.

Scooby-Doo! Mystery Incorporated

Season one

Amy the siren

Amy the siren.

She tipped off Velma Dinkley through anonymous email, and met Velma in the guise of a singing mermaid, so that the gang would investigate the disappearance of her husband.


In other languages

Actor Language Notes
Irene Di Valmo Italian
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