Mokona Modoki (モコナ＝モドキ) is the name given to the two rabbit-like creatures from CLAMP's sister series Tsubasa: Reservoir Chronicle and xxxHolic (Also appearing in one of their earlier works, Magic Knight Rayearth). The name Mokona Modoki (or simply Mokona) refers to any or both characters, as they are never called by their real names. The Black Mokona’s real name is Larg (ラーグ, Rāgu?), while the White Mokona’s real name is Soel (ソエル, Soeru?). However, the Mokonas always refer to themselves in the third person.
The Mokonas were created by Yūko Ichihara and Clow Reed, who appear to be aware of the existence of Sakura Kinomoto and all of the events in her world. One day, Yūko and Clow encountered the original Mokona, who was traveling through different worlds. Mokona provided Yūko and Clow with the knowledge of alternate dimensions. After learning that one day a Sakura and Syaoran from an alternate world would come to their world to ask for help, Yūko and Clow created the two Mokona, basing them on the original-Mokona of Cephiro from Magic Knight Rayearth- but with slight differences, such as difference in size and the ability to talk (whereas the original Mokona would only say "Puu!"). Each Mokona was also given an earring which matched the color of the gem on its forehead, the blue earring seals magic power while the red earring boosts magic power. It has never been discovered what exactly a Mokona is. The original Mokona was identified as the creator of the universe, but it is unknown whether the original was part of a species or not, which also raises the question as to where the name Mokona came from in the first place?
-The origins of the Mokonas is further explained in the book Soel to Larg: Mokona=Modoki no Bouken (Soel and Larg: The Adventures of Mokona=Modoki).
xxxHolic Movie: Midsummer Night's DreamEdit
Mokona appears in xxxHolic's OVA when they get out of the mysterious mansion. While Watanuki and Yuko are inside the room, something bleeps, which is revealed to be a message from Syaoran and Sakura. Through Mokona, Yuuko sends Syaoran and Sakura the key that unlocks anything.
Likes sweet stuff.
Gem in forehead:RED/ Magic
Soel, better known as "White Mokona" is a small, white, rabbit-like creature that loves to eat and has the ability to teleport between different worlds.
It is one of the Mokonas created by Yuko and Clow. She was given to the Tsubasa group after their first meeting with Yuko in her shop. When Syaoran, Sakura, Kurogane, and Fai arrived at Yūko's house with their varying objectives, Mokona was given to the group in exchange for something precious from each of them. As we find out in xxxHolic, both of them were awaken by Watanuki. The name Soel comes from the rune Sôwilô meaning sun.
She was responsible of locating the feathers (this happens whether Mokona is conscious or not, and it may only have a brief impression of having done so), crossing worlds, aids the group to understand each other (as it's revealed later on, they wouldn't be able to communicate without Mokona), and helps them to communicate with Yuko -thanks to Larg- and to exchange objects, very often the prices they pay along their journey.
As for her personality, she's always happy and hyperactive, sometimes giving an humoristic touch to the unbelievable situations, and like Larg, enjoys alcoholic drinks. She's very well known to love teasing Kurogane along with Fai as well. Despite this, Kurogane does protect Mokona, even if he would rather hit it repeatedly. Mokona also developed a close friendship with Sakura, particularly when they worked at the cafe in Ōto.
In one of the Horitsuba Gakuen Drama CDs, Soel refers to itself as female, though she may be female as this is hinted.
Mokona has often boasted to the travelling companions of its 108 secret techniques. These often come in handy and are equally often quite bizzare! Some of these secret techniques are as follows:
- Super Voice Imitation (much to the annoyance of Kuro-puu!), 
- Translating (this is how the group can communicate),
- Super Dramatic Power - Extreme Acting 
- Extreme Sneaking-In Houses, like a thief! 
- Dimensional travel (only White Mokona can travel between worlds)
- Super Disguise (its very convincing!) 
- See Ghosts (only Black Mokona can see ghosts)
- Super Sharp-Sensing (detecting true feelings) 
- Super Suction Power (of variable strength) 
- Super Magnestism 
- Hyper Gravity 
- Extreme Transformation 
- Drawing Capabilities (White Mokona is good at it)
- Sense the feathers (goes "Meykon!")
- Writing kanji (Black Mokona is good at it)* 
- Intercommunicate throughout dimensions
- Making Friends
- Super Strength
- Inhibit Magical Curses (Black Mokona can seal magic with its earring)
- Aumenting magic (White Mokona can increase magical powers with its earring)
- Teleport items between each other
- Immunity to bad luck
- Drink alcohol
- N'CHA Cannon (a reference to the manga series Doctor Slump)
- Play Chess* 
- Knit* 
- Super Deductive Reasoning
- Eating Apples Whole
Mokona = Larg = Modoki
Likes salty stuff.
Gem in forehead:BLUE/ Seal
Larg, better known as "Black Mokona", is featured in the xxxHolic series. Along with Yuko, loves to tease Watanuki and drink alcohol, much to Watanuki's annoyance. Some of Larg's abilities include to see ghosts, and devour spirits as seen in chapter 157 (xxxHolic). His main purpose is to function as a brigde to comunicate Yuko with the Tsubasa group, helping them as neccesary. He also functions to exchange objects, which he does by swallowing them. So far, it's been revealed that the earing of Larg contains Sakura's and Watanuki's memories.
Like Yuko, Black Mokona loves to drink sake. The name Larg comes from the rune "Lagu" meaning water.
In being referred to by other characters in xxxHOLiC, Black Mokona takes offense to indirect references and pronouns, which are notably more informal or rude in Japanese than in English.
Things in common
They like: singing, eating and drinking delicious things, and parties. (When drinking, alcohol is better!)
In the book, Soel to Larg: Mokona=Modoki no bouken, there is a explanation given for the "Modoki". This prefix means "pseudo", meaning "false mokona", "copy of mokona". Because the Mokonas were a creation from the real Mokona from Magic Knight Rayearth.
- ↑ Vol. 4, Chap. 23
- ↑ Vol. 4, Chap. 24; Ep. 12
- ↑ Ep. 14
- ↑ Vol. 5, Chap. 29
- ↑ Vol. 7, Chap. 43; Ep. 22
- ↑ Vol. 11, Chap. 82
- ↑ Vol. 10, Chap. 69
- ↑ Vol. 12, Chap. 88
- ↑ Ep. 15
- ↑ Shown in "Larg to Soel" book
- ↑ Shown in "Larg to Soel" book
- ↑ Shown in "Larg to Soel" book