Rumiko Takahashi's design for Nabiki Tendo is patterned after silent film actress Louise Brooks (1906-1985).
From now on, we'll live together, like conjoined twins!
Tatewaki Kuno constantly refers to female Ranma as "pigtailed girl". Female Ranma actually has a pony-tail.
When shown in Korea, Mexico, and other countries, the TV versions in those countries have all the episodes heavily cut due to pantyhose jokes (Happosai is a pervert and panty thief) and martial arts violence.