
Quick answer — Youko Kawanami voices Bulma no Mama in Dragon Ball Z, Coconna Vartla in Armored Trooper Votoms, Ruriko Kouda in Gokinjo Monogatari and 2 more characters.
Youko Kawanami voices Bulma no Mama (Dragon Ball Z), Coconna Vartla (Armored Trooper Votoms), Ruriko Kouda (Gokinjo Monogatari), Youko Makino (City Hunter), Sara Bellum (Powerpuff Girls Z).
Bulma no Mama is voiced in Japanese by Youko Kawanami.