Cocoa Amaguri

Cocoa is a pop Idol that was picked to play the role of damsel in distress in the Great Saiyaman vs Mr. Satan film. She overhears Gohan and Bulma conversation and learned that Gohan was secretly Great Saiyaman. She offers her silence in exchange for a fly around the city and also for her to practice a scene with him.

(Source: Dragon Ball Wikia)