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Jacqueline Muscle (ジャクリーン・マッスル) is the daughter of Harabote and sister of Ikemen. Jacqueline acts as a love interest for Mantaro, as well as the face for the Wrestling Federation, and she provides much of the publicity and attention to various matches throughout the series.


Harabote Muscle's daughter and Ikemen Muscle's younger sister. She is beautiful and a natural show-person, but prefers violent matches and can be antagonistic to other characters. She becomes kinder after the final match of the Chojin Olympics, learning what it means to be a Justice Chojin and the power of friendship.

Jacqueline is very bloodthirsty; she initially favours Kevin Mask during the Olympics, but changes her mind when she witnesses his brutal nature. Jacqueline later wishes to see Mantaro succeed, as well as supports him as her friend. In later arcs - while initially a background character - she becomes a strong supporting role and one of the main cast.


Ikemen describes her as "pretty on the outside", but "ugly on the inside". [2] Harabote Muscle describes her as "more temperamental than her brother" and not being very "ladylike", with images of her wrestling Ikemen as a young child and winning against him. [3] She displays signs of a sadistic personality, such as revelling in the sight of blood. [4]

At times, Jacqueline can break her word, such as promising to sit quietly and stealing the limelight from Ikemen with her energetic personality. [5] It is said that she often stole Ikemen's most cherished items. [6] Jacqueline is also a natural show-person, enough that her brother is envious of her skills, and is able to rile the crowds and attract attention. [7]

Jacqueline is a stickler for rules; she determines Ricardo's attack legal according to a loophole, when he attacks after the bell, [8] and she later disallows Mantaro to freely pick his second, citing the rules. In every instance, she knows the rules down to the paragraph and article. [9]


Jacqueline has bright pink hair, which reaches below her shoulder blades. She wears a fin on her head, like others from Planet Kinniku or Planet Harabote, but studded with three jewels. She has thin eyebrows, bright green eyes, and is described as being extremely beautiful. Jacqueline is featured in a variety of outfits, but typically shows a lot of skin; she also has an ample chest and a curvy figure. She is average in height at 5'7" and a healthy weight.


Ikemen Muscle

Jacqueline has a complex relationship with her brother. Ikemen is typically envious of Jacqueline, who he perceives as being a torment to him in their childhood, and many people refuse to believe they are related. The two veer towards a sibling rivalry, but typically trust one another and show affection for one another. Jacqueline uses respectful language to Ikemen, who sometimes calls he by casual terms such as "Jacqui". Jacqueline can be physically rough with Ikemen, such as when he acts inappropriately, but also is quick to show physical affection when he acts exceptionally kind.

Rinko Nikaido

She is great friends with Rinko Nikaido. The friendship develops slowly, with the two at odds at first, but they grow close enough to be inseparable in later arcs. They sometimes - although rarely - bicker and fight, but mostly share the same thoughts, opinions, and act in unison.

Mantaro Kinniku

Jacqueline is a love interest of Mantaro Kinniku. This begins one-sided on Mantaro's part, who experienced an instant attraction to Jacqueline, but her affection for him slowly develops over the course of the Chojin Olympics, as she learns the true meaning of being a Justice Chojin and seeing his bravery during the match. Jacqueline often attends his matches, and also offers emotional and physical support (such as tending to his injuries on the ring). It is unclear whether Jacqueline has romantic attraction towards Mantaro, but the two are shown to be good friends and spend a great deal of time together.


Chojin Olympics: The Resurrection Arc


Jacqueline first appears where she takes a VIP seat to view the battle between Ilioukhine and Destruction. [2] It is revealed she is Ikemen's sister, but that they have very little in common both in appearance and personality, and this causes some dismay to Ikemen. [2] Jacqueline becomes an unofficial presenter for the following match between Kevin Mask and Legox, in which she flirts with them and expresses a love for 'bad boys'. She later chastises Kevin after his victory, as the match is not bloodthirsty enough to her taste, and he responds by dropping the remains of his opponent into her hands, as a ‘gift for the princess’. [10]


It is not long after this that she amasses a small fan base, along with a love interest from Mantaro. Jacqueline intervenes for Ikemen when he is indecisive in reacting to a potentially illegal move, in which she decides that Ricardo did not break a rule by attacking Jade after he throws in the towel for his match. [8] Jacqueline is revealed to be the mastermind behind the Punishment X Ring, at which point both her father and brother express fear of her attitude. [11] Again, Jacqueline calls the match on Ikemen’s behalf and declares Ricardo the loser. In following chapters, Jacqueline flirts with Mantaro to inspire him into living up to the potential of his race and defeating his opponents. [4]

At the end of the Ilioukhine match, she literally steps on the losing Ilioukhine and shows exuberance at his defeat, and follows by trying to give attention to Kevin Mask who rejects her advances.


Despite her lust for blood and desire for violence, Jacqueline intervenes when Kevin Mask potentially breaks the rules and shows that she is ready to disqualify him, in order to maintain rule and order of the Chojin Olympics [12]. Jacqueline expresses an interest in rules over money, enough to argue with Ikemen and willing to throw away all profits.

Later, she is shown to be distrustful of Chloe's explanation of events (during the finals of the Olympics, in which he prevents Kevin Mask from striking a judge), but ultimately concedes and allows for the match to continue. After this, Chloe chastises her lust for blood, at which point Kevin collects his blood in his hands and attempts to throw it in her face - Mantaro blocks the blow. [13]

This leads to her realising that bloody matches are not as fun as they seem, and Ikemen and Harabote explain to her that they must watch every match through to the end. She grows determined to act as a better potential chairman, and even goes on to support Mantaro. When Mantaro faces defeat, Jacqueline runs to his side and helps him. It is when she realises the real thrill of the match, as well as the emotion and stakes, that Harabote calls her his true successor.

Demon Seed Arc

Jacqueline gathers together a group of Chojin, featuring Kevin and Scarface, that she calls “The Army of Idols”. She stops Mantaro from risking his life in a battle that cannot be won, while taking Buffaloman into her helicopter for medical treatment. [14] The Justice Federation’s “Airship Vision” arrives to allow them to see events elsewhere. Together, they watch the Hanzo vs. The Puppet match, which Jacqueline expresses admiration of Hanzo’s change of heart and concern at the Demon Seeds’ power. [15] She admits that since the Chojin Olympics final, she cannot see the sight of blood without cringing and recognises how precious blood is as a life-force. [16] Later she cheers on Hanzo during his match. [17] A couple of times – during this volume – Jacqueline can be seen booby-bashing Mantaro, using her chest to literally knock some sense into him. [18]

Later in the arc, Jacqueline observes that the more Barrierfreeman squeezes The Tattooman, that the more blood gushes from his wound, and she shows concern for his critical condition as a chojin. [19] Jacqueline provides emotional support to Mantaro, as she seeks to convince him to rest, but - when he flees to help Meat - Jacqueline uses her helicopter to follow him with the others in tow. She later arrives in time to save him from drowning, by providing him a flotation device. During the Demolition vs. Blood Evolution match, Jacqueline and Ikemen sense great danger due to their Chojin status and show visible fear. Jacqueline also provides emotional support to Rinko. [20]

Jacqueline takes Mantaro towards Kevin, after Kevin's match, into the ring so that they can shake hands, as she attempts reconciliation between Kevin and Mantaro. The two fight and part ways, causing Jacqueline to express dismay that they could not put their differences aside. Later, Jacqueline comes to their defence in Shibuya Square, when the public appear to turn against them, and she reiterates that nothing is stronger than the friendship between Chojin. [21] The rest of the arc sees Jacqueline as a supporting character, in which she provides minor exposition in regards to characters and matches, and offers support for the Justice Chojin.

Ultimate Chojin Tag Tournament Arc


Jacqueline appears with Ikemen on stage, in formalwear, as Harabote presents awards to the Justice Chojin for their achievements over the past few arcs. She personally announces Kevin’s award, after Mars receives his award from Harabote. [22] She next appears listening to a speech by Meat about the nature of time-travel, sat front-row in the small crowd of Chojin [23].

She appears with Rinko, Harabote, Meat, Ikemen, Tamaki, and Keiko, watching the attempts to create the ship on a small television in a meeting room. They discuss recent events, providing some exposition. [24]They celebrate together on completion of the ship. Jacqueline volunteers and insists on travelling with the selected group of Chojin, so that she can take care of Kevin during their trip. Jacqueline is given a special seat behind team-leader Terry. [25]

Jacqueline insists Mantaro take her seat, after learning how dangerous the equipment could be if mishandled, hoping her seat – away from the equipment – will minimise potential risk. She then searches for her brother, but finds him in a secret room that he had built for their personal comfort. Suspicious of his now apparent excitement in travel and change of heart, she finds his gambling magazines and finds he plans on making ‘sure’ bets in the past to make profit, and proceeds to criticise him on his selfishness. They find Rinko as a stowaway in the luggage bay, at which point Jacqueline helps her onboard the ship and acts as her friend, even sharing her seat with Rinko. [26]

Jacqueline is left to pilot the ship with Rinko and Ikemen, after the Time Warp Eight abandon ship to save Robin Mask. Jacqueline leaves with Rinko into the two escape pods, leaving Ikemen to walk down the mountain with their luggage instead. Jacqueline and Rinko land amidst the various chojin, where Harabote flirts and sexually harasses Jacqueline, unknowing of her identity, much to her disgust. She discovers Alisa has been harmed in place of Robin, hence why Kevin’s life is still in danger. [27] Jacqueline intervenes between the Time Warp Eight and First Generation to stop an ensuing fight, and soon realises that her brother has called for help to save Alisa, after which Jacqueline pleads alongside Rinko with the Time Warp Eight not to fight the previous generation, before a new tournament is announced. [28]

Jacqueline often goes where Rinko goes, and together they usually follow Mantaro. On one excursion, they learn Terry has teamed with Robin, and Jacqueline provides some emotional support to Mantaro. They return with him to the ship, where they express shock as Seiuchin sides with Neptuneman, after which they go to a stage show in search of a strong Chojin, later revealed to be Chaos. [29] Jacqueline sides with Mantaro when they travel to Chaos’ home (Gachinko House), and she also lies alongside him to placate Chaos into allowing them entry and a free meal. They both chastise Rinko for being so critical. [30]


Jacqueline and Rinko arrive at the stadium for the preliminary matches, but grow lost in a search for their seats, at which point they are sexually harassed by Harabote (who takes a personal interest in Jacqueline). They decide to play along in order to obtain better views and seats, able to sit beside Harabote and Mayumi while the preliminary matches take place. [31] Kevin is soon presented at the side of the stage in his life-support machine, which is when Jacqueline realises that Ikemen neglected his duty to protect Kevin. She sees him in the crowd, at which point he pretends to be a beer seller, and expresses her frustrations. [32] Jacqueline later expresses pride and happiness at Harabote’s decision to split the preliminary battle royale onto two rings. [33]

After the match, Mantaro retires to recuperate. Jacqueline is there for support, along with Rinko, after Chaos runs away. It is at this point where Jacqueline and Rinko fight, until Mantaro pulls Jacqueline away and Meat pulls back Rinko. Jacqueline and Rinko then hide in Mantaro's dressing room away from the other Chojin that wait in the corridors, but Ikemen appears and Jacqueline attacks him for his selfish desire to gamble (which led to Kevin being kidnapped). Ikemen convinces her it was for selfless reasons, to which she shows admiration and respect for him. [34]


In volume 21, she dresses as a nun in order to sneak orphans into an upcoming match. The orphans are from Chaos' orphanage that wish to support him in his upcoming battles, which would otherwise be excluded, and she does this alongside the Mother and Rinko_Nikaido. Jacqueline is seen offering invaluable emotional support to Rinko in earlier chapters, alongside Ikemen, and helps to protect the timeline, too.

Anime Changes

Dub Specific

In the American-commissioned anime, she is introduced asking Mantaro directions from a helicopter, after which he finds her casually waiting in Ikemen's dressing room. He teases the two siblings on looking so different, triggering a flashback from Ikemen about their shared childhood. Jacqueline is also made an explicit love interest, as opposed to a slow-forming friendship, and promises Mantaro a date should he win his match. [35]

Instead of being a bloodthirsty showman, Jacqueline appears now only as a wrestling fan that seeks the "cutest" wrestlers. Due to the matches now being simultaneous, she will watch the matches where her crushes appear, and she engages in an explicit love-triangle with Rinko, who is now jealous of Jacqueline. Instead of being respectful of Ikemen, she also refers to him as a "sissy" and regularly argues with him. [36] Jacqueline also expresses a desire to be a wrestler, absent in the manga. [37]

Jacqueline can be seen purposely aiming for Ikemen's parachute, causing him great physical injury that lasts a substantial period of time for a Chojin, and refers to him as an "idiot", as she shows great contempt for him (as opposed to great respect and legitimate criticism in the manga). The two have a more classic sibling rivalry, but also a highly antagonistic and aggressive relationship. [38]

Speech & Quotes


  • "Friendship grows from tears of joy and tears of regret, and that makes me more excited than any bloody battle!" - Jacqueline Muscle



  • Jacqueline often hosts the opinion poll special chapters [39] [40]
  • Developed a mild phobia of blood, cringes on its sight [16]
  • Ikemen is one of the few people - in manga - to call her "Jacqui" [41]


  1. 1.0 1.1 1.2 Kinnikuman "Chojin" Encyclopaedia
  2. 2.0 2.1 2.2 Kinnikuman Nisei: Chapter 156
  3. Kinnikuman Nisei: Chapter 157
  4. 4.0 4.1 Kinnikuman Nisei: Chapter 188
  5. Kinnikuman Nisei: Chapter 166
  6. Kinnikuman Nisei: Chapter 166
  7. Kinnikuman Nisei: Chapter 172
  8. 8.0 8.1 Kinnikuman Nisei: Chapter 178
  9. Kinnikuman Nisei: Chapter 71
  10. Kinnikuman Nisei: Chapter 170
  11. Kinnikuman Nisei: Chapter 183
  12. Kinnikuman Nisei: Chapter 205
  13. Kinnikuman Nisei: Chapter 206
  14. Kinnikuman Nisei: Chapter 227
  15. Kinnikuman Nisei: Chapter 228
  16. 16.0 16.1 Kinnikuman Nisei: Chapter 229
  17. Kinnikuman Nisei: Chapter 232
  18. Kinnikuman Nisei: Chapter 236
  19. Kinnikuman Nisei: Chapter 247
  20. Kinnikuman Nisei: Volume 25
  21. Kinnikuman Nisei: Volume 26
  22. Kinnikuman Nisei: Part Two: Chapter 4
  23. Kinnikuman Nisei: Part Two: Chapter 7
  24. Kinnikuman Nisei: Part Two: Chapter 8
  25. Kinnikuman Nisei: Part Two: Chapter 10
  26. Kinnikuman Nisei: Part 2: Chapter 11
  27. Kinnikuman Nisei: Part Two: Chapter 14
  28. Kinnikuman Nisei: Part Two: Chapter 15-16
  29. Kinnikuman Nisei: Part Two: Chapters 21-26
  30. Kinnikuman Nisei: Part Two: Chapter 27
  31. Kinnikuman Nisei: Part Two: Chapter 31
  32. Kinnikuman Nisei: Part Two: Chapter 35
  33. Kinnikuman Nisei: Part Two: Chapter 36
  34. Kinnikuman Nisei: Part Two: Chapter 49
  35. Ultimate Muscle, Episode 52
  36. Ultimate Muscle, Episode 53
  37. Ultimate Muscle, Episode 54
  38. Ultimate Muscle, Episode 57
  39. Kinnikuman Nisei: Volume 20
  40. Special Edition: Superhuman Popularity Poll 2 (Volume 18)
  41. Kinnikuman Nisei: Part Two: Chapter 10