Mami Koyama
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Mami Koyama (小山 茉美, Koyama Mami) (born on January 17, 1955 in Nishio, Aichi, Japan) is a Japanese voice actress who works for Aoni Production. She was once married to Tōru Furuya, the Japanese voice actor for Yamucha and Sourman.
She voiced Lunch in the Japanese dub of Dragon Ball and early part of Dragon Ball Z, Arale Norimaki in Dr. Slump and Dragon Ball, and Pasta in Dragon Ball: Curse of the Blood Rubies.