*Louise is one of the cheerleading girls at Torrington Academy and one of the minor characters of the animated series, Martin Mystery. She is 16 years old.

She rarely spoke with or interacted with Martin & Diana and she had a strong dislike towards Martin, especially whenever he tried flirting with her. The one time she was attracted to Martin was in the episode Curse of the Six-String Serenade when she was under the spell made when Martin was playing his guitar. At one point in the episode Curse of the Six-String Serenade she was found inside Martin's locker wearing one of his shirts, it's unknown how she got inside his locker but assumed she unlocked it and stepped inside before closing the door. How the lock got added to lock her in is also unknown.*