Mom's Rival

Mom's Rival is a blue-eyed blonde-haired women in a purple dress wearing an apron and aqua-colored latex gloves. She and Dexter's Mom have a catfight over a box of on sale latex gloves.

A One time character, appearing in the episode "A Mom Cartoon" during season three, she has similar physical attributes as Dexter's Mom (small torso, big hips) and though has some degree of fighting skill, she loses to Dexter's Mom.

Trivia

 * She can be seen as Mom's "Dee Dee," or even her own "Mandark/Lalavava."
 * She could be the mother of Dexter's blond friend.