Maggie Hydro is an artistic Sea Monster who cannot swim. She is 15 years old and loves to have fun (when she can escape her computer). Maggie has one little brother named Jack and a dachshund named Weinerdog. Maggie is obsessed with "Normie High", collecting the dolls is her hobby.

She is single at the moment and has alot of friends yet she is a loner. Maggie does have a crush on a gargoyle whose name is unknown.