The nameless twins are brown-haired girls with glasses who are seen (in the episode Cheeks of Evil where Coop and Dennis have a flashback to wearing hula skirts and being laughed at in the hall) simultaneously onscreen in 2 places, indicating that one is a doppleganger or that they are twins. One of these girls is probably Estelle although she is not referred to by name in this background appearance, and it would not be clear which of the two is her.

This all may be a result of one person doing time traveling, because she is also seen as a childhood companion of Burt at his birthday party when he saw Mrs. Munson in a bikini. For her probable parent see purse-snatchee, who may be Estelle's mother.

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