The Rival of Ranma Saotome,he has a Jusenkyo curse that turns him into a black piglet (known as P-chan) when splashed with cold water but he can return to normal with hot water. He hates Ranma for giving him the curse by making him fall in the Spring of Drowned Pig. He's a formidable martial artist and has feelings for Akane but never can get the courage to tell her because he gets flustered,also hates that Ranma is engaged to Akane. He has a terrible sense of direction and frequently gets lost