Caitlin is Martin Mystery's wonderful girlfriend in the Season 3 episode "Day of The Shadows".

A girl who is very similar to Martin and seems to be interested in everything he likes. She likes the paranormal, monster movies, comic books, and video games just like Martin, She was Martin's girlfriend for a brief amount of time before one episode later she dumps him because he missed a date with her because he was fighting a Genie that was driven by revenge for him.

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