Planet Earth:
but does have monsters, such as Dinosaurs, or Mutant like Cats, etc.

Planet Vegeta:
Planet Vegeta was ruled by King Vegeta, and named the Planet Vegeta, since the name has been passed down. Planet Vegeta gets destroyed in the Bardock Special when Bardock tries to save his planet but Bardock is no match for his deadly opponent Frieze who easily takes his life as well as most of the Saiyans.

New Planet Vegeta:
New Planet Vegeta was a man-made Planet by Brolly's Father, Paragus. Paragus has slaves build it so he can lure Vegeta and the others there and Brolly fights them, shortly after the creation of Planet Vegeta, it is destroyed.

Planet Namek:
Planet Namek is ruled by Namekians, Green looking creatures, which are mainly good at a defensive tactic when fighting. Planet Namek was a green Planet. Frieze and Goku later destroy planet Namek while fighting on it.

New Planet Namek:
New Planet Namek was created by the Dragonballs and using a wish to create a New Planet Namek. Then the Namekians have their own homes again.

King Kai's Planet:
King Kai's Planet is a Planet where people that have died go, to train and Fight while they are dead. Goku, Yamcha, Tien, Choazu, and many others have been here.

Planet Plant:
Planet Plant is a Planet that does not have a big profile on, but we know one inhabitants that have, which is Bebe. Bebe controls people's bodies by going inside of them. Planet Plant was Renamed Planet Vegeta when the Saiyans took over the planet.