Rachel Alucard is a vampire, former Onlooker, and head of the Alucard Clan of vampires. She is the daughter of Clavis Alucard, and watches over the world from the Alucard Castle alongside her butler Valkenhayn R. Hellsing. Rachel wields the Sankishin: Tsukuyomi Unit, and has no life-force value. She is constantly followed by her familiars – Nago and Gii.