Wang Fu

Master  or Master Fu Wang (in western order) is a healer and the Great Guardian of the Miraculouses. He gives Marinette Dupain-Cheng and Adrien Agreste their Miraculouses to stop Hawk Moth and his villains' evil-doings. With the Turtle Miraculous, when inhabited by Wayzz, Master Fu transforms into a turtle-themed superhero. He is also the last known remaining guardian from the Order of the Guardians. In the series, he has never actually turned into superhero form despite being a Miraculous holder with a kwami.

Physical appearance
Master Fu or Wang Fu is a short Chinese man with dark brown eyes. His hair is gray and he has a mustache and goatee.

Civilian attire
He wears a red Hawaiian shirt with a white hibiscus flower pattern, tan capri pants, dark brown shoes, and a bracelet with a turtle-shaped stone (Turtle Miraculous) on his right wrist.

Personality
Master Fu is wise, respectful, and gentle. He is dedicated to keeping Miraculouses out of the wrong hands to maintain balance, and he recognizes good heroes as kind, helpful individuals who put others before themselves. While he is serious when it comes to his work as a healer and a guardian, Master Fu can also be lighthearted, often slightly teasing Marinette. He doesn't consider himself old as believes that he is young, but he is still aware of when he can't fix a major issue himself.

Because of his mistake, he is very cautious about handing out other Miraculouses to the right people. Also, he prefers to keep himself and purpose a secret from Hawk Moth and other people, aware that Hawk Moth may come after him or the Miraculouses in the box if he finds out about him. Usually, he does not allow people whom he has given Miraculous to meet him unless there is a special reason.

Master Fu can get angry with those who go behind his back or doesn't ask for his permission on occasion but he also forgiving towards those who admit their mistake.

As a civilian
As a healer, Master Fu can improve the health and read the energies of humans and kwamis. One of his methods includes hitting a gong, as seen when he helps Tikki heal from her sickness in "Princess Fragrance".

Additionally, Master Fu is very knowledgeable about the history of the kwamis and the Miraculouses. He explains with strong clarity and insight how kwamis are abstract creatures, how they are formed, the types of abstract ideas and emotions that they are formed from to Marinette in the second issue of Miraculous Adventures.

As he explains in "The Collector", he was trained by the Order of the Guardians, so while his training wasn't finished, he can decipher some of the code in the Miraculous spellbook. His knowledge also extends to some of the Miraculous' powers, explaining the wish-granting power of the Ladybug Miraculous and Cat Miraculous and its consequences to Marinette in "Robostus". However, he acknowledges that some of his understanding of the Miraculouses and their powers is limited.

In "Syren", despite his age Master Wang is very strong carrying a large container of bugs with a single hand without much struggle. He is very fluent in speaking Chinese.

As a Miraculous holder
Master Fu's skills and abilities as a Miraculous holder remain unknown, as in "Ladybug &amp; Cat Noir", he is unable to transform due to his old age giving him back pain.

Wayzz
Master Fu and Wayzz work well together, both taking the situation of a Miraculous falling into evil hands very seriously. Although Master Fu disagrees with Wayzz about being too old to defeat Hawk Moth, he agrees with him that he can't stop Hawk Moth alone.

Despite getting along with Wayzz, Master Fu can get angry at him if he does something without his permission seen in "Sandboy" but he quickly forgave him saying that he should ask next time.

Marinette Dupain-Cheng
Master Fu chooses Marinette to wield the Ladybug Miraculous after she unknowingly passes his test by courageously rescuing him from oncoming traffic. When it comes to both her and Adrien, he believes that they are made for each other. Marinette comes to his shop so he can heal Tikki in "Princess Fragrance", where he reminds her to be patient and finds amusement in that she isn't aware that he knows about kwamis and Miraculouses, asking her what kind of cat Tikki is. Wang officially reveals himself to Marinette in "Volpina" when she and Tikki visit him to give him the Miraculous spellbook.

Since then, Master Fu is a patient and sage teacher to Marinette, explaining the origins of kwamis and the consequences of their powers to her. He is understanding with her when she doubts telling him the truth about who she got the book from in "The Collector" and she has to leave early to head to the Île aux Cygnes in Miraculous Adventures. However, in "The Collector", he gently notes to her that they need to trust each other in order to defeat Hawk Moth. His faith in her shows when he entrusts her to choose a one-time Miraculous holder in "Sapotis" as long as it is a trustworthy person and she returns the Miraculous afterwards.

During "Anansi" he even trusts Marinette to a point where he allowed her to use his Miraculous against the titular villain. He also knows that Marinette is sensible seen in "Queen Wasp", when he saw that Chloé had the Bee Miraculous. He knew right away she wouldn't have given it to her but Master Wang had faith that Marinette would fix her mistake. In "Malediktator", he was still unsure if Chloé was a good choice stating that Marinette took a big risk and yet when she spoke of how Ladybug improved her, Chloé would improve as Queen Bee with that he remain supportive of Marinette's choice.

Adrien Agreste
Master Fu chooses Adrien to wield the Cat Miraculous after he unknowingly passes his test by helping him up when he pretended to have fallen and unable to get up himself. He believes that Adrien and Marinette are made for each other. In "Sapotis", Master Fu agrees with Marinette when she points out that both she and Cat Noir have been careful to hide their secret identities and use their Miraculouses wisely.

In "Syren", after deciphering the recipe that allows to unlock new powers for the Miraculous holders, and under Ladybug's advice, Wang decides that Adrien can finally be informed of the various information of which until then he was unaware. He later begins posing as a substitute Chinese tutor so he can continue teaching Adrien about the Miraculouses. In "Malediktator", Wang Fu showed great concern for Cat Noir when Marinette told him about his condition.

Alya Césaire
Despite not meeting Alya in person, Wang is aware that Marinette chose her to wield the Fox Miraculous seeing her as the "right choice". In "Syren", he continues to allow Alya to be Rena Rouge.

Nino Lahiffe
Despite not meeting Nino in person, Wang is aware that Marinette chose him to wield his Miraculous in his place.

Chloé Bourgeois
Despite not meeting Chloé in person, Wang is certain at first that Marinette didn't choose her to wield the Bee Miraculous. In "Malediktator", he was still unsure if Chloé was a good choice, stating that Marinette took a big risk by trusting her. Since Marinette believes that being a superhero may give Chloé the opportunity to become a better person, Wang agreed on that reasoning allowing her to continue acting as Queen Bee from that point on.

Hawk Moth
Though Master Fu hasn't met Hawk Moth in person, he's aware of his existence and has been determined to stop him and retrieve Nooroo and the Moth Miraculous. He expects that Hawk Moth wants to use the wish-making power of the combined Ladybug Miraculous and Cat Miraculous, and he doesn't want Hawk Moth to find out about him or the Miraculous jewelry box, making him cautious about taking out other Miraculouses besides the Ladybug and Cat Miraculouses.

In "Heroes Day - Part 1", Master Fu feared that there would be a day that Hawk Moth would discover the unbound abilities of his powers.

Trivia

 * In an old synopsis, Wang is described as the Guardian of the Orb, but Thomas Astruc denounced it as an older concept of him.
 * At a licensing show in Korea, the Ladybug and Cat Noir journals were available. An attendee took a picture of a mysterious figure watching Marinette and Adrien in the park from a journal. When asked who the figure was, Wilfried Pain replied that he is Master Fu.
 * Wang Fu is 186 years old, making him the oldest known human character in the series.
 * His longevity is not linked to his Miraculous, but to his lifestyle.
 * Wang Fu is the only known Miraculous holder to not have been seen transformed.
 * Currently, he is the only human to know the secret identities of both Ladybug and Cat Noir because he gave them their Miraculouses.
 * Wang will make an appearance in "The Chinese Legend", although his role in the special is unknown.
 * As of "Sapotis", Hawk Moth is shown to be aware of Master Fu's existence as a Guardian in Paris.
 * He is not, however, aware that Wang Fu is the guardian.
 * In Chinese, Wang (王) means "king", possibly originating from the similar character 汪, meaning vast (often describing oceans).
 * Fu can be written as many characters in Chinese, but meanings include "symbol", "talisman", "teacher", "fortune", and "good luck."
 * In "Sandboy", his nightmare is that ghosts of the Guardian of the Miraculous will accuse him for burning down the temple and the loss of the Peacock and Moth Miraculous.

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