Guardians of earth- guardians of earth have to protect earths whatever the cost , whether it is his life or a earthlings life. Kami is the first guardian of earth then comes dende

Kami- the first guardian of earth seeen in the show he has risked his many times whether it was when garlic jr. was tryin to take over the world.when he retired he gave the job to dende.

Dende- the second namek to become a guardian of earth was dende the first time he was killed was on namek in the hands of friezza and was wished back.he became a guardian of earth when he was still a teen.He was gurus freind and he was with him till he dyed.