Parsley

Parsley is a Saiyan created by Tree Of Might.. The only time Parsley met Goku was as a 4 minute old kid,UNTIL NOW ! Parsley was going to destroy Planet Earth along with the rest of the Z Fighters.So, he traveled to Earth in a Saiyan Spaceship and landed by Goku's house. Parsley got out! So did Goku. Goku remembered Parsley. "Surrender now or you will DIE!" Parsley said. "What do you want with us Parsley?" Goku asked "What did WE do to you?" Parsley thought, What DID he do to them he went back into his ship and went back to his planet.

Power Level
Parsley's Power Level would be around Frieza's 100% power form but, this event took place in the time of Cell so, to Goku Parsley would be kind of weak.