All Androids were made by Dr. Gero (who was part of the Red Ribbon Army). These are Artificial Humans with extreme powers. There are three classes of Androids in the Dragonball world.
    Androids with a human base that rely on an internal power source.
    Androids without a human base with an internal power source.
    Androids with a human base with an internal power absorbing nodes in their hands.

Animal

All Androids were made by Dr. Gero (who was part of the Red Ribbon Army). These are Artificial Humans with extreme powers. There are three classes of Androids in the Dragonball world.
    Androids with a human base that rely on an internal power source.
    Androids without a human base with an internal power source.
    Androids with a human base with an internal power absorbing nodes in their hands.

Arlia-jin

This race is introduced to us when Vegeta and Nappa are approaching Planet Earth when they hear about the Dragonballs in the Saiyan Saga. So in their way to Earth they blow up this Planet, Planet Arlia.

Bas-jin
Changeling
Dragon
Genie
Human
Kaio
Kaio-shin
Konack-jin
Kanassa-jin
Ma-jin
Makyo-jin
Meat-jin
Metamoru-jin
Namek-jin
Saiba-men
Saiya-jin
Shamo-jin
Tsufuru-jin
Yadrat-jin