Theory:Caitlin

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The following fan theories are about Caitlin.

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Theories

Theory	Citations	Notes
Caitlin has a power.	None	+ Caitlin's reaction to Peter's demonstration powers is suspicious. (Lizards) + Caitlin does not tell her brother that she's seen Peter do more than the electricity trick. (Kindred) - Caitlin has not exhibited any signs of having a power. - Caitlin reached for a gun when threatened. (Lizards) + She might not have an offensive power. + She might be unaware of her power. + She may want to keep it a secret. - Caitlin seems thoroughly surprised when Peter exhibits his own powers. + Again, she may be unaware of her power.
Caitlin has the power of electricity.	None.	+ In Petrified Lightning, Caitlin shares a story of how a hero was able to call on the powers of his mermaid love by saying her name; likewise, when Peter does the same, and calls Caitlin's name, Electricity flows freely, just like how the mermaid gave her power to her hero. - Caitlin herself provides an interpretation: "she showed him his own power." + Caitlin wasn't suprised, scared, or harmed when the electrical arcs danced to and all around her. - Peter was able to access electricity before his first aired meeting with Caitlin. (Four Months Later) - Peter acquired electricity from a woman at some time in the four months between How to Stop an Exploding Man and Four Months Later. This woman is trying to find him. (Behind the Eclipse interview) + Caitlin could be this woman, through some previous unaired meeting. - The woman looking for Peter "makes a shocking debut" in Fight or Flight and she's not named Caitlin. (Spoiler: Fight or Flight)