He was originally called Kakarot, before being named Goku by an earthling. Fun fact, Saiyans are named after vegetables!

Think of his Saiyan heritage

Who is this?

"I am the prince of all saiyans!" - Vegeta

Fun fact, Super Saiyan 3 was used less than Super Saiyan.

These questions will be easy and will only cover up to the last episode of the DBS Anime.