Nimue (ニミュエ Nimyue), more commonly referred to as the Lady of the Lake (湖の貴婦人 Mizūmi no kifujin?), is a character that appears in the Sonic the Hedgehog series. She is an anthropomorphic hedgehog and the alternate reality doppelgänger of Amy Rose from the world of Camelot. She is a skilled enchantress and the former guardian of the sacred sword Excalibur and its scabbard.