Oolong

Oolong (ウーロン) is a main character in the Dragon Ball manga and its anime Dragon Ball. He makes minor appearances in Dragon Ball Z and Dragon Ball GT. He is a shape shifting pig who met Bulma and Son Goku while on their quest finding the Dragon Balls. After their adventure, he begins living at Capsule Corporation in West City. He plays a large role in the beginning of Dragon Ball, but by the end of Dragon Ball Z, he just shows up from time to time in the company of Master Roshi.

Voice Actors
all information on Oolong came from http://dragonball.wikia.com/wiki/Oolong
 * Japanese :
 * English :