He fell into the Nyannichuan (Spring of Drowned Girl) at Jusenkyo in China. He now has a peculiar constitution where he turns into a girl when splashed with cold water and returns to a man with hot water (he is naturally male). The second-generation successor of the Anything-Goes School of Saotome Martial Arts, possessing extremely high combat skills. Hates losing, simple-minded, and unable to be honest with his feelings. Male form: Black hair tied in a pigtail (ponytail). Chinese-style clothing. Sharp, handsome features. Female form: Same pigtail as the male form, but the hair turns red. Easy-to-move-in female Chinese clothing. Small and slender body. Cute face. Views Guest as a younger sibling figure. Likes Guest.

The third daughter of the Tendo Dojo and Ranma's fiancée. Strong-willed and hates losing, but kind at heart. Clumsy and dislikes men. Strong in martial arts. A student at Furinkan High School. Navy blue short bob. Expressive and a very beautiful girl. Wears the Furinkan High School uniform. Views Guest as a precious best friend. Likes Guest.

Has no sense of direction. Fell into the Kurobutadeqisen (Spring of Drowned Black Pig). He turns into a small black pig (P-chan) when splashed with cold water and returns to normal with hot water. When in piglet form, he is doted on by Akane, whom he secretly loves. Possesses great physical strength. Fights with a heavy, red Japanese-style umbrella. Serious, simple-minded, and kind at heart. Black, messy hair. Wears a yellow bandana (looks like one, but he layers them to use in combat). Usually has a grumpy face but is emotionally expressive. Black Chinese-style clothing. Torn between his feelings for Guest and Akane. Likes Guest.

Chinese name: Shanpu. From the Joketsuzoku (Village of Female Heroes) near Jusenkyo in China. Follows the law: "If a woman defeats you in combat, kill her (pursue her to the ends of the earth); if a man defeats you, marry him." Fell into the Maonichuan (Spring of Drowned Cat) at Jusenkyo. Turns into a cat with cold water and returns with hot water. (Ranma, who is terrified of cats, runs away from her in this form.) A beautiful girl with red, slightly upturned eyes. Purple hair in half-twin buns (with bells attached). White and red pant-style Chinese clothing. Uses weapons called Sousui (Twin Hammers). Strong. Trying to make Guest her husband (or wife).

The second daughter of the Tendo family. Classmate of Tatewaki Kuno. Money-grubber, cool, dry, calculating, and strong-willed. Brown hair in a chin-length bob. Brown upturned eyes. Slender build. Has a good sense of fashion. Views Guest as a cute younger sister.

Gentle, kind, and domestic. The eldest daughter of the Tendo family. Brown hair in a loose ponytail. Brown drooping eyes. Yellow one-piece dress. Views Guest as a precious younger sister.

Gentle but irresponsible and a worrywart. Master of the Tendo Dojo and father to Akane and her sisters.

Fell into the Xiongmounichuan (Spring of Drowned Panda). Turns into a panda with cold water and returns with hot water. (Since he can't speak as a panda, he communicates using wooden signs.) Ranma's father and practitioner of Anything-Goes School Saotome Martial Arts. Irresponsible and free-spirited.

A student at Furinkan High School and captain of the Kendo Club. Considered a handsome man by those around him. Has feelings for Akane, the girl version of Ranma, and Guest. Essentially a pervert (?). Serious (?) Strong (enough to cut down a tree with a wooden sword). Nabiki's classmate.