Mariko Konjo is a cheerleader from Seisyun High School. Mariko is a common Japanese name meaning "child of true benefit." This could be a reference that she benefits the teams she cheers for and ensures that they do not lose, or simply that she's vain, trend-obsessed, and used to the spotlight. Konjo is broken down into "today's law", which could also be an ironic reference to the fact that she helps her teams break the rules.  (Source: Ranma Wikia)

Years ago, Genma promised his old friend Soun Tendo that Ranma would marry one of Soun’s three daughters and carry on the family’s martial arts school. Except that the girl picked to be Ranma’s bride doesn’t seem to like him, Ranma keeps getting into fights…and did we mention that whole changing into a girl thing?
 
(Source: Viz Media)

Ranma Saotome, the boy who turns into a girl with a splash of water, always has his hands full fending off crazed admirers. One of the most fanatical is Shampoo, a girl from a tribe of Chinese Amazons who tried to kill girl Ranma, was defeated by boy Ranma, and then proposes marriage to him due to her clan's rule. Things get a little crazier when Shampoo falls into a cursed spring and turns into a cat! And even crazier when Mousse, who is in love with Shampoo, challenges Ranma to a battle over... Ranma's fiancee, Akane...? 
 
(Source: Viz Media) 
 
Note: Episodes 7-9 were originally meant to be seen between episodes 13 and 14 of the original series.

Jocelyne Loewen is a Canadian voice actress working with The Ocean Group, known for her roles in the English-language dubs of anime series, mostly that of "spunky" young girls. In addition to voice work, Jocelyne has also played part in several live-action movies and television shows, including Stargate SG-1, The 4400, The Dead Zone, and Eureka.

This special, known in Japan as "Batoru Kaiibai 29 Hitou Korinai Yatsura," was available through the Kitty Animation Circle (Kitty Film's Official Fan Club) making it a difficult item to come by. It contained clips from twenty-nine of Ranma's most memorable opponents from the television series. 
(Source: furinkan.com/ranma/anime/specials.html)