Tikki

 is a kwami that is connected to the Ladybug Miraculous, and with her power, its wearer can use the earrings to transform into a ladybug-themed superhero, with the current wearer being Marinette Dupain-Cheng.

Appearance
Tikki is a small crimson creature that is 10 centimeters (4 inches) tall. She has a large head, a tiny body, and dark blue eyes. Additionally, she has freckles across her face. She resembles a ladybug, with two antennae, a large black spot on her forehead, back, and each side of her head, and a short tail with three tips aligned vertically.

Personality
Tikki is calm and collected while being optimistic, loving, kind, and encouraging. Having a lot of wisdom, Tikki is very open to giving advice, and she will call people out for bad decisions if necessary. Although she can become annoyed or exasperated with others, she doesn't stay upset at them for long, only wanting what's best for them and those around them. She believes in the importance of saving the world above her own needs, even willing to help Marinette transform instead of seeing Master Fu and getting herself healed in "Princess Fragrance" meaning that she is dedicated to her responsibility as a kwami although a bit reckless. She can also act a bit rash if she needs to achieve something important, like getting the Miraculous spellbook from Adrien in "Volpina".

Tikki is very understanding towards others seen in "Lady Wifi", where she commended Marinette for not telling Cat Noir her secret identity, mindful that Ladybug's responsibilities for keeping her identity a secret is important. Again in "Simon Says", she comprehended with Marinette's parent's decision of grounding her, showing that she understands the reason for her parent's actions.

She also takes things literally, like when Marinette asks someone to pinch her, thinking she means it, and when she believes Alya is heading to a dentist because she doesn't understand what a surprise party is. Sometimes, Tikki shows a more playful and affectionate side. In "Guitar Villain", Tikki plays an air guitar solo with Marinette, and she has a pretend fencing match with her in "Riposte". She can be hurt or displeased when someone isn't paying attention or appreciates her, displeased with Marinette unintentionally disregards her gift to her in "Befana".

Unlike Plagg and as described by Marinette in "Despair Bear", Tikki has a sweet tooth which means she isn't a picky eater and is willing to try different foods to get her energy back up or just out of curiosity seen in "Despair Bear" and "Glaciator".

Abilities
Tikki is able to fly and levitate simultaneously. During "Copycat", while helping Marinette get Adrien's phone, she shows that she can also phase through solid objects, such as a locker door so she can unlock it. She can also carry things that weigh more than her, such as bringing an apple to Marinette without struggle until she trips over a spool of thread in "Mr. Pigeon". As a kwami, Tikki gives the wearer the power of creation (good luck) and transforms them into a ladybug-themed superhero by entering the Ladybug Miraculous. Although unable to communicate to the wearer while they are transformed, Tikki usually knows what is going on during that time. In "The Bubbler", Tikki is aware that Marinette wasted her power as Ladybug because she was jealous of Chloé with Adrien, and in "The Mime", after Marinette detransforms, Tikki says to her that it was cool she complimented Alya when she was surrounded by the press earlier.

Whenever the wearer uses Lucky Charm, Tikki begins losing power and eventually can't retain the transformation any longer, leaving the earrings and reverting the wearer back to normal. Tikki is exhausted and out of energy afterward, so to be able to transform the wearer again, she must refuel by eating food such as cookies.

Marinette Dupain-Cheng
Tikki sees Marinette as a fantastic hero who has improved over time, a talented designer, and a sweet friend. The duo have a warm relationship, with Tikki cheering up Marinette whenever she is upset or assisting her in anything, including her fashion work or plans to win Adrien's heart. However, she is not above teasing Marinette, such as in "Copycat", where she mocks her inability to speak to Adrien.

Tikki has to warn her about things on occasion. When Marinette wastes her Lucky Charm on preventing Chloé from kissing Adrien in "The Bubbler", Tikki tells her that using her power out of jealousy is not a good reason for running out of energy as Ladybug. As seen in "Darkblade", Tikki worries a lot about Marinette having her alter ego revealed, expressing concern when Marinette writes in her diary about her adventures as Ladybug. Having been partners with multiple Ladybugs before, Tikki says that Marinette is the cutest, and she is proud of her for doing her best as the current Ladybug.

In "Befana", like with all the Ladybug Miraculous holders before her, Tikki gives a kwagatama to Marinette as a sign of their friendship, which she cherishes.

Plagg
In "The Dark Owl", Tikki sees Plagg after Marinette and Adrien detransform, warning him to be quiet when he reacts in surprise to the situation. Generously, she shares a macaron with him and they "know each other very well."

Master Fu
Tikki knows Master Fu, referring to him as the Great Guardian. Being very loyal to him, she trusts his choice for Marinette to be the new Ladybug, and she is familiar with his healing abilities and asks for Marinette to take her to him in "Princess Fragrance". When she recognizes the Miraculous spellbook in Adrien's possession in "Volpina", she obtains it, unbeknownst to Adrien, and goes with Marinette to give it back to Master Fu at his shop, knowing he needs the book and believing it's time Marinette meets him officially.

Tikki showed minor disappointment in Marinette in "The Collector" when Marinette lied to Master Fu in fear that Adrien could be Hawk Moth.

Wayzz
Tikki and Wayzz are friends, having a good, fun-loving companionship. In "The Collector" they play with each other around Master Fu's room and on the phonograph, and in "Robostus", they drink tea together on top of the phonograph.

Adrien Agreste/Cat Noir
Tikki knows how much Adrien means to Marinette, and she often gives help or guidance to her for acting on her feelings towards him. She figures out that the letter in "Dark Cupid" is referring to Marinette — not knowing it's actually referring to Ladybug — and she realizes the danger in Adrien seeing all of the pictures Marinette has of him in her room in "Gamer". Tikki hopes that Adrien will come to love Marinette as Marinette loves him, but she views it as an issue at times that Marinette's judgment occasionally becomes clouded when he is around, especially when he is hanging out with rivals for his affection. She also feels bad that they had to steal the Miraculous spellbook away from him in "Volpina", but the information it contains is too important to not give back to Master Fu.

With Cat Noir, Tikki is less prone to irritation with him than Marinette, and she likes him. When he is in danger in "Antibug", she advises Marinette to save him, even though she isn't able to transform at the time, as she is worried about Cat Noir.

In "The Dark Owl", Tikki discovers his secret identity when he and Marinette detransform, but doesn't react to it, concerned with Marinette's plan. When Adrien finds that he still has his ring, she closes his mouth before he can say anything. During "Glaciator", after Cat Noir unveils his surprise to Marinette for Ladybug she is amazed by his sensitive and thoughtful side.

Alya Césaire
Tikki has never met Alya, but she is aware that she is Marinette's best friend and knows how important she is to Marinette, commenting that both are lucky to have each other. Meanwhile, Tikki is sometimes worried that Alya will find out that Marinette is Ladybug and expose her secret identity to everyone, but so far, she and Marinette have been able to figure out ways to prevent her discovering the truth. She also is willing to reveal interesting info to Alya, leading her and Marinette to a papyrus that reveals the existence of the Ancient Egyptian Ladybug and the many years Ladybug has been around in "The Pharaoh". Tikki does show some concern for Alya when she gets akumatizied in "Lady Wifi". She finds her dating advice helpful, and she expresses minor disappointment when Marinette doesn't listen to her in "Animan".

Chloé Bourgeois
While having never interacted with Chloé, Tikki finds her just as irritating as Marinette does. In "Guitar Villain", Tikki describes Chloé referring to herself in the third person as annoying. In "Princess Fragrance", for a while, she is stuck pretending to be a plush toy because Chloé mistakes her as one, doesn't return her to Marinette, and presents her to Prince Ali as a gift.

Trivia

 * Tikki's name means "happiness" in another language.
 * PV HQ (2).png Tikki's current design is different than it was in the Ladybug PV. In the PV, she is red with a dark brown four-leaf clover on her forehead and black eyes, and she is much bigger, being around the size of Marinette's head.
 * Tikki is the first and oldest kwami, having formed when the universe came to be, as revealed in the second issue of Miraculous Adventures.
 * Tikki is the only kwami who is referred to by the feminine pronoun in Season 1.
 * This is true in every dub except for the Korean and Turkish dubs, where Nooroo is considered female.
 * There have been cases where Tikki has been accidentally heard or noticed by people.
 * Alya overhears Marinette's and Tikki's conversation in "Lady Wifi" and "The Mime".
 * Cat Noir almost sees Tikki when he is trapped with Marinette in "The Evillustrator", but Marinette manages to hide her.
 * Tikki accidentally flung out of Marinette's purse in "Princess Fragrance", and pretends to be a doll when Chloé finds her.
 * In the same episode, Marinette describes her as a special breed of cat to Master Fu.
 * In "Animan", Alya overhears Marinette talking to Tikki over the phone, but she believes she is talking to her.
 * In "Pixelator", two civilians notice Tikki in Marinette's purse and pretends to be a cat when spotted.
 * Adrien's bodyguard sees Marinette talking to Tikki while she's in her purse in "Guitar Villain" and looks at Marinette suspiciously.
 * Tikki is almost seen by Cat Noir in "Befana" when Marinette attempts to transform but she stops before he gets to her.
 * In an interview, Mela Lee revealed that Tikki likes baking, but that she is too small to bake, and so she will spend time just reading recipe books.
 * As seen in "Befana", Tikki doesn't appear to understand how humans celebrate their birthdays.

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