*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.

Nimue is essentially a doppelganger of her mainstream counterpart. As such, she is a pink-furred anthropomorphic hedgehog with light green eyes and peach skin covering her muzzle, inner ears, and arms. She has a small black nose, triangular ears on top of her head, and no back spines. She also has two medium-length eyelashes on each side of her eyes. Additionally, her five short head quills point downwards, somewhat resembling a bob cut. She also has three spikes for bangs on her head.

For attire, Nimue wears a sky blue hairband with golden metal circle ends. She also wears an elaborate dress with a sky blue torso section that has white frills running down the middle on its front and a white ribbon around the collar. The lower part of her dress on the other hand poofs out and extend all the way down to the ground, with medieval circle symbols along its hemline and three golden buttons of increasing size running down her front pelvis area. Her lower dress also has another layer with an opening on the front and a white layer of fabric with elaborate edges around the midsection. Around her waist her dress a third, shorter layer to its lower section consisting of fabric in a slightly darker shade of blue. She also wears a golden belt, white and neat arm warmers, white gloves, gold bracelets, and a transparent frame on her back with sky blue edges that she wears on her arms.

Unlike her counterpart, Nimue is serene, wise and composed rather than energetic, erratic and high-spirited. She speaks in a gentle tone and is calm, even in very dangerous situations. She often smiles and loves her guests, always welcoming them with a smile and polite greeting, and seemingly does not mind being treated informally, shown when she did not react adversely to Sonic panicking upon first seeing her and awkwardly trying to cover it up.

Nimue has shown herself to be ready to accept responsibility for own actions. When King Arthur got bewitched by the scabbard of Excalibur that Nimue gave him and became a corrupt ruler, Nimue accepted her part of the blame for the misfortunes that would subsequently befall England. Having similarly learned from Arthur's fall from grace that those of lesser character may not be worthy of the power they claim, Nimue now tries her best to make sure those she offers aid to are worthy and steadfast enough to not give into dark temptations. To this end, she will not only give such people tests to prove themselves, but also try to deceive them with optional side quests along the way to see if they possess true courage, strength and compassion.*