|Louise 'Lou' Finster|
Louise's former profession was prostitution, in which she now claims is a sexual depravity, it is also how she met Backstrom, Louise is currently working as a dentist seen in the episode "The Inescapable Truth" at Backstrom's aid. Backstrom questions her about himself being the possible father to Valentine, but she refuses to say who it is but confirms that it it not Backstrom. Valentine's father is Blue Backstrom.
Louise is also a Christian and attends church, which Valentine jokes about her becoming a nun.