AbigailMarge is an aqua-blue female fish who appears in many episodes, mostly as a background character. She first appears in the episode "Ripped Pants."
Abigail is an aqua-blue fish with light teal lips and a light aqua-green dorsal fin and legs. She wears a purple dress and black shoes. Her appearance is very similar to Martha Smith, the only differences being her lips, fin, the shape of her head, and her shoe color.