Shampoo is the champion of the Nyucheizu village. She came to Japan to kill the female Ranma, after he defeated her in an annual martial arts contest since he and Genma had hungrily devoured the prize, a well-stocked banquet table, while coming upon and watching the contest. Shampoo gave Ranma the “Kiss of Death”, a promise to track ‘her’ down and eventually kill ‘her’. Later, after male Ranma accidentally defeated her, she gave him the “Kiss of Marriage”, since the laws of her village force her to kill any female defeaters and marry male ones. Once she learned of his curse, she returned home, heartbroken.
As punishment for her failure to kill female Ranma or marry male Ranma, her great-grandmother Cologne brought her to Jusenkyo for retraining. During this training, she fell into the “Spring of Drowned Cat,” making her cursed to turn into a cat, the one thing Ranma fears most, and she blames him for this status. Despite this, Shampoo is no longer fixated on wanting to kill Ranma, and now just wants to marry him. Having returned to Nerima, Tokyo, Japan, she waits tables at the Cat Cafe (Nekō Hanten), her great-grandmother’s restaurant. She also sometimes delivers ramen by bicycle, occasionally running down people — particularly Ranma — on the streets and rooftops. She is actively pursued by Mousse, a childhood friend for whom she generally shows nothing but disdain.
She is highly skilled in unarmed combat, possessing considerable speed and agility. Shampoo is strong enough to casually walk through reinforced stone walls on a regular basis; in the anime she says she does this because the door takes too long. She can also efficiently use certain supernatural acupressure techniques for instant unconsciousness, temporary mind-control, or even selective memory-removal. Her weakness is her lack of durability, as she is recurrently defeated by single forceful attacks. She uses a pair of “chúi” as her primary weapons. Her combat is matched by Ukyo, Ranma’s other fiance. While Ukyo seems to have a better defense Shampoo appears to have a stronger offense.
Shampoo is constantly ogled by Mousse, her childhood friend and pretender, since Mousse is as clingy to Shampoo as Shampoo is to Ranma. She is generally unfazed and violent towards his affections because she has made Ranma her main priority; Shampoo is shown to have given Mousse various opportunities to woo her, though his clumsiness always gets the better of him. Mousse is generally shown to bear some maliciousness towards everyone except Shampoo (ironically this is because of Shampoo), though he is actually very polite, friendly and respectful.
Mousse is a male Chinese fighter from the warrioress tribe, whose love for his childhood friend Shampoo has been unrequited. He has been in love with her for most of his life, but she finds him annoying at best, rebuking his advances ever since they were children. He comes to Nerima in search of this “new fiancé” that Shampoo has, and he stays to attempt to woo his sweetheart. He is extremely jealous of Ranma, who is the target of Shampoo’s affection, and he believes he needs to defeat or kill Ranma in order to have her care for him. She states that she will reject him even in such a case, and often attacks him because of his obsessiveness. Despite his becoming a far more dangerous fighter than Shampoo, she almost never affords him any measure of respect, though when she does, Mousse’s clumsiness gets the better of him. He works in the Cat Cafè (Nekō Hanten) with Shampoo and Cologne. Shampoo is well aware of Mousse’s love for her, so she never actually sends him away or uses this to take advantage of him in her efforts to woo Ranma; this, however, doesn’t prevent Mousse from engaging in combat with Ranma for her sake.
Mousse has extremely bad eyesight, which requires him to wear thick glasses, but he usually has them concealed within his robes or propped up on his forehead, leading him to sometimes mistake people and inanimate objects for other people. Due to his bad eyesight, he walked into a cursed spring, which turns him into a duck. Although Mousse’s view is blurry without his glasses and below average even with them, he has apparently learned to compensate for it in combat, as this has not hindered him from maintaining high accuracy entirely without assistance.
Mousse is an amazingly skilled, swift, strong, and dangerous martial artist, who fights by using hidden weapons. His arsenal includes chains, blades, darts, iron balls, hidden knives, bombs, tear gas, and even yo-yos and various silly household appliances, manifesting quantities far beyond on what he is realistically able to carry in his long sleeves and robe. He calls this ability “dark magic” simply because he is hiding objects in a dark place. He can also hide weapons in the feathers of his duck form and is able use them proficiently while flying. He is also extremely skilled in the unarmed Joketsuzoku style used by other Amazons. He is technically almost, but not quite in the same league as Ranma and Ryoga, apparently at least as strong as the former, and likely deadlier than either, though he has never managed to come out the victor in any confrontations with them, despite fighting unarmed combatants.
Happosai is the founder and grandmaster of Musabetsu Kakutō Ryū. He often alternates comically between his role as a villainous grandmaster to one as a lighthearted pervert. As a hedonistic short, old man, he openly makes perverse activities his proud hobbies (much to the shame of his own disciples), committing indecencies willfully such as groping women, peeping at women bathing or undressing, and stealing lingerie (he is often found carrying a big sack of lingerie leaping from house to house). He goes into withdrawals if he is unable to participate in such activities, which causes him to almost die at one point. He attempts to model himself as a former ladykiller, but in reality, he was turned down by every woman in the Amazon village, including Cologne, during his youth. He is also sadistic and vengeful, using his two students, Genma and Soun, as slaves and attempting to cripple Ranma for life by taking away his strength. Nevertheless, considering that both Soun and Genma have shown themselves to be powerful Martial Artists, have displayed abilities similar to Happosai, coupled with that their master returned to the Tendo Dojo to train either of them as an official heir to his school, this implies that Happosai did afford Soun and Genma at least some advanced training (though evidently nowhere near enough to outweigh all the injustices he dealt them).
Despite his small stature and age, Happosai is arguably, by far, the most powerful known martial artist in the entire series. Even without employing special techniques, he is able to effortlessly defeat Ranma, Ryoga, Genma and Soun combined within seconds, or overpower Taro’s monster form with a single finger. His defining and most often employed weapons are cannonball-like fuse bombs, ranging from regular to small house-sized, which he can seemingly instantly conjure out of nowhere when needed. He possesses knowledge in ancient martial arts techniques, near-forgotten pressure points on a human body, recipes for alchemical concoctions with various effects, and knowledge of many Chinese and Japanese magical artifacts. Other techniques include turning his body substance similar to air for invisibility, chi-blasts, momentum negation or redirection, and crippling fear generation. He has an enormously powerful large skyscraper-sized battle-aura (looking like a giant version of himself), which allows him to increase the scale of his fighting to great kaiju proportions for prolonged periods of time, and pushes him far out of the league of virtually any other character. Ranma and his fellow fighters have wisely optioned to simply stay out of sight and run for their lives on the rare occasion when the grandmaster has been in this mode. His main weaknesses are that he is seldom remotely serious and he is susceptible to sucker-attacks while he is distracted by lingerie and women.
Happosai is shown to be a constant foe to most of the cast, though he mostly plots against them if he feels that they have been disrespectful toward him (especially if they don’t indulge him in his twisted needs). Even when he is shown to be not behaving maliciously, his actions and intervention always result in grave consequences. One example of this is Hinako Ninomiya (Ranma’s teacher), whose life was saved by Happosai by teaching her a technique that allows her to absorb battle auras. She briefly became a foe to Ranma and his classmates as she was considered extremely dangerous before the two of them came to terms.
Cologne is the great-grandmother of Shampoo. She accompanies Shampoo on her return to Japan to see what this “future son-in-law” was made of, but she ended up staying so that she could aid Shampoo in winning Ranma’s heart. She also opens the Cat Café in Nerima, where Shampoo and Mousse both work. She is a contemporary of Happosai, and well over three hundred years old, according to the anime. She calls Ranma “bride-groom” and “son-in-law” due to her attempts to have him marry Shampoo, just to watch him become enraged. Unlike the rest of the cast, Cologne seems to prefer to sit in the background and watch the madness unfold. If she has a motive, whether it is to help Shampoo in her efforts or to aid Ranma in his battles, only then will she step into the fray. She gets around by pogoing on a gnarled wooden staff that she sometimes uses as a weapon. Cologne is usually the voice of experience and knowledge to most of the cast, a sharp contrast to the devious master Happosai (who exclusively serves as a constant foe).
She is a grand master of the Chinese Amazon martial arts, and occasionally teaches Ranma and his rivals new techniques, such as the Kachū Tenshin Amaguriken,Hiryū Shōten Ha and Bakusai Tenketsu. She is the only martial artist in the series whose skill rivals that of Happosai, enabling her to, for example, casually defeat either Ranma or Taro’s chimaera form. In addition to Cologne’s immense skill, she is able to manipulate water and ice, create whirlwinds by using an opponent’s aura against them, shatter inanimate objects with a simple touch, fire chi-blasts, and touch pressure points to make a person feel like they are burning with even the slightest amount of heat. She is also knowledgeable in several other disciplines such as arcane lore, cooking, Chinese mythology, and magic artifacts.
Ukyo Kuonji an okonomiyaki chef and a childhood friend of Ranma. Ten years prior to the manga’s beginning, she met Ranma during a training voyage to the country with Genma. Her father proposed an arranged marriage to Ranma, who was unaware that she was a girl, with his okonomiyaki cart acting as the dowry, to which Genma agreed. But when an oblivious Ranma said he liked okonomiyaki more than Ukyo, Genma stole the cart, breaking the engagement and leaving her behind. Shamed and ridiculed by her peers for not being feminine enough to keep her fiancé, she gave up her femininity and decided she wouldn’t like boys. She dressed and lived as one, even attending an all-boys school at one point. During this time, she devoted herself to okonomiyaki-style martial arts to prepare to exact revenge on the Saotomes.
She later resurfaces at Ranma’s school, and after a heated battle, he discovers her true sex. He calls her “cute”, and she learns that he does not seem to get along with his “uncute” fiancée Akane. As a result, she reconciles with Ranma and attempts to reestablish their engagement. She calls him “Ran-chan” (occasionally dubbed as “Ranma-honey” in the English version), while he calls her “Ucchan”. Ranma still treats her only as an old friend, but unlike those of his other suitors, her plots to win him over have been mostly non-violent and considerably more effective. Despite this, she can turn underhanded and occasionally ambushes those she believes to be her romantic rivals. She has been willing to give up her house and restaurant, or rescind her craft for Ranma’s sake, if it would mean that they could be together; these sincere efforts and her friendliness make her Ranma’s second best suitor after Akane.
Ukyo and Shampoo are shown as more bitter rivals than any of the two towards Akane, and are constantly at each other’s throats. Though she is not above hurting Ranma either, she usually does it justifiably but not measuring her own strength. Unlike the other suitors, Ukyo is at better odds regarding Akane, as they are rivals but cautious friends; she has even lived at the Tendo Dojo for a while and is considered worthy of help from both Ranma and Akane at her okonomiyaki restaurant. Apart from Akane, Ukyo is the only alternative suitor to Ranma that goes to his same school and is also his classmate.
Ukyo’s style of fighting is a legacy style from her father based on their food preparation, and reminiscent of ninja patterns. She uses food-based techniques to stun, restrain or confuse opponents, as well as a chi-infused “batter dragon”, which fuses her techniques into one. She also uses a large spatula as a two handed weapon and has a bandolier of smaller spatulas she uses as projectiles. She is strong, swift, skilled, agile, and has a versatile range of attacks. As a combatant, Ukyo has been shown to be exactly equal to Shampoo in terms of ability. Shampoo appears to have a stronger offense, while Ukyo has a stronger defense, which has enabled her to stall Ranma or Ryoga for longer than her rival. Ukyo also has more and stronger special attacks, whereas Shampoo is more devious and can use various mind-control techniques.
Tatewaki Kuno is an upperclassman at Furinkan High School and the older brother of Kodachi Kuno. Hailing from a very wealthy family, he wields both his fortune and his sword with equal ease. He has a huge ego, creating the nickname “The Blue Thunder of Furinkan High,” a moniker used by no one else, for himself. His ego is further apparent in that he is unable to conceive of Akane or female-form Ranma NOT being in love with him, and frequently assumes their actions are geared toward winning his affections. When speaking, he uses a regal tone (or Shakespearesque in the English version).
At the show’s start, he has been madly in love with Akane for some time. After being defeated by Ranma in his female form, he also falls for the “Pigtailed Girl” as he calls “her”. After briefly wrestling with his competing desires, Tatewaki decides he wants to be with them both and, in keeping with his ego, assumes that they are so in love with him that they will accept this. Tatewaki never realizes that the Pigtailed Girl is really his mortal enemy in a female body, despite witnessing Ranma’s transformation several times—he merely believes that Ranma has switched places with her in some manner. He once hears her called by Ranma’s name, and attempts to write it down for future reference. Despite this, he never makes a connection and continues to refer to “her” as his “goddess in pigtails”, or “the pigtailed girl” for the entire series. Akane’s sister Nabiki often sells him photographs of “the pigtailed girl” in various states of undress. He also has a strong rivalry with Kodachi, who similarly has a crush on male Ranma (and much like his sister refuses to believe that Ranma and the pigtailed girl are the same person), often leading to confrontations between the siblings. Unlike Kodachi, Kuno doesn’t actually behave in any malicious way, and albeit he’s a buffoon and extremely forward with the girls he likes, he is shown to be traditionally courteous.
As captain of the kendo team, Tatewaki was the school’s most powerful warrior before Ranma’s arrival. Despite constant defeats at Ranma’s hands, he is always confident in his abilities, believing himself to be incapable of losing. Though he is initially no match for Ranma, after losing his memory for a time, he shows the potential to become far stronger. With his sword, he is very powerful, able to create “air pressure strikes” easily capable of destroying a stone pillar, and he later becomes able to spin rapidly, which creates a constant barrage of the strikes and makes his defense nearly impenetrable. The cheerleader Mariko Konjo has a rather large crush on him, and calls Kuno her “first love”.
Kodachi Kuno is the captain of the gymnastics team of the St. Hebereke School for Girls, who is referred to as “The Black Rose” (in Japanese, Kurobara no Kodachi), apparently due to her signature theatrical style of exiting a scene by leaving behind a swirling trail of black roses accompanied by high-octave laughter. She is an expert in Martial Arts Rhythmic Gymnastics, making her skilled in acrobatics and the use of balls, clubs, hoops, ribbons, and ropes as weapons. She is very agile, and she is not averse to using unorthodox methods in combat such as rigged weapons, explosives and various poisons. She attacks other people prior to competitions in order to win by default, which she calls “fighting in all fairness before the match.” She becomes enamored with Ranma after he saved her from a fall, and attempts to make him hers at any cost. She also hates Ranma’s female form, believing “her” to be a rival for Ranma, while her brother Tatewaki hates the male form, which is a frequent source of conflict between them. She is a good cook who prepares elaborate meals, and she often uses culinary expertise to her advantage by placing poisons, toxins, serums, and other strange substances in her victims’ food to attain something she wants from them.
Kodachi is considered the most malicious of Ranma’s fiancees and although she is shown in less occasions than Akane, Shampoo and Ukyo, her personality and methods make her the most dangerous of the four. She is shown to have a skewed version of what would make Ranma happy; she is considered to be pursuing Ranma mostly out of personal vanity, as she does not show to be particularly interested in his happiness or well being.