Prunella lookalike (Jenna's Bedtime Blues)

Unknown Female Adult Poodle is a background character who looks quite like Prunella and appeared in Jenna's fantasy where everyone found out that she has Nocturnal Enuresis. She is definitely an adult as in Jenna's fantasy, everyone else in the dream (such as Arthur and Francine) were adults. It's even possible this is Prunella in the future where she could've dyed her hair blonde