Oolong

'O'olong is a shape shifting pig from Dragon Ball. He attended the same shape shifting school as Paurand bullied her. After he was kicked out for stealing the teachers panties he terrorized Aru Village taking young daughters of the villagers. He can shape-shift into any creature, like a red ogre, a French accent man, a bull, a robot, a bat, and even a missle. He was stopped by Goku and was forced to join Goku and Bulma on their quest for the dragon balls and ended up befriending them.