Madison Armstrong is the main character of The Wicked Waterpark of Wyoming. She is twelve years old and has been swimming since she was two years old.

Siblings and FriendsEdit

Some of Madison's friends are Griffin Claremont and a girl who's name was never mentioned. Madison has a brother who is fifteen named Sam.

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Madison lives in Cheyenne, Wyoming. Before she was born, her parents lived in Casper, Wyoming.