Shaun "Shaunie" Fulbright-Boss is the youngest brother of Numbuh 86 and Numbuh 85, and the youngest son of Mr. Boss. He only appears in Operation: D.A.D.D.Y., where when Numbuhs 1, 83, and 84 attempt to save him from getting a haircut from his dad. At first he was reluctant to go, but when he saw the picture of Paddy's haircut he agreed to leave with them. Paddy appears to like Yipper a lot, his room is full of Yipper toys.