The second-in-command of Antonia's maid forces, she has an eye patch on her right eye. Before joining the "Underside of the Kitten's Paw", Sarah was an elite member of the British SAS on the promotional fast track, but left when her unhealthy obsession with cats became too much.

When Eris provides Anitonia's maid squad with a personal assitroid, Sarah always tries to keep him close to her, simply calling him "kitty".