Nico is a fairy who takes on the form of a cat. He accompanies Lydia on her journey with Edgar.   While he can walk on four legs like a normal cat, he prefers to walk on two legs like a human. He is able to turn invisible, and can read and write human language. Nico was Lydia&#039;s mother&#039;s companion, as well.   He likes liquor, and fine tea. He is also very particular about being treated like a gentleman rather than a cat, and as such obsesses over his attire (most frequently a single neck ribbon, but he has been known to wear suits and tailcoats), and the state of his fur and whiskers. On a few occasions, Edgar has provoked him deliberately by scratching Nico and petting him like a mere cat.   He is rather cowardly, often disappearing when things turn nasty. Despite his inability/unwillingness to engage in physical combat, his assistance is invaluable to Lydia. He often gathers information for Lydia from the fairies in the area, as well as acts as a guide when Lydia needs to travel to or from the fairy world. He is also something of an adviser to Lydia.   In recent times, Edgar has taken to bribing Nico with things like fine food or a gentleman&#039;s &quot;essentials&quot; (a cane, a tailcoat, letter-writing set, etc), in order to find out developments around Lydia.     (Source: Wikipedia)

In the nineteenth century, we find Lydia Carlton living in Scotland, making a living as a fairy doctor. She is one of those rare humans who can see and communicate with fairies. But no one believes her. However, Edgar is in need of someone with a vast knowledge of fairy lore, and Lydia is just that person. After rescuing her, he becomes her employer, but there are many secrets and emotions that seem to follow Edgar, who claims to be the Blue Knight's Earl.

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__Non-anime roles:__  Takeshi Yamato in "IZUMO2 学園狂想曲" (Visual Novel)  

**Francisco Javier Rivero Pichardo** is a Mexican voice actor. He's known for being the Latin American Spanish voice of Cow in _Cow and Chicken_, Mung Daal in _Chowder_ and Jar Jar Binks  in _Star Wars_.
He's the recurring dub voice of Jack Black.

Edgar Ashenbert claims to be descended from the human ruler of the fairy kingdom, and he urgently needs Lydia’s help to find and claim his birthright, the legendary sword of the Blue Knight Earl. Things will never be the same for Lydia as she is pulled into a dangerous quest against dark forces!
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(Source: Shojo Beat)

Lydia Carlton is a fairy doctor who can see and communicate with fairies. When she embarks on a journey overseas to visit her father in London, she’s kidnapped by a young man named Edgar Ashenbert who introduces himself as an earl and requests Lydia’s aid in searching for a treasured sword that will prove his status. Although she finds his story dubious, Lydia agrees to work with him—if only because he’s her first real client. Meanwhile, rumors of a heinous burglary abound, and the culprit seems to bear an uncanny resemblance to Edgar...
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(Source: J-Novel Club)