Donna Gueterman is the mother of Tammy and is first introduced in the episode The Wedding Squanchers during Birdperson's wedding. She and her husband Pat introduce themselves to Beth and Jerry during the wedding's reception. Later, it is revealed that Pat, Donna, and Tammy are agents for the Galactic Federation. Donna and Pat are not humans and are shown as deadly robots. The two of them directly pursue the Smith family as they attempt to escape. Donna attempts to choke Summer but is stabbed in the eye by Beth and quickly kicked out of a back of a spaceship.