- Old Watto is a dirty bird
 Hot peggats in his purse
 His flippers stink like bantha curd
 His breath smells even worse"
- ―Mos Espa graffiti by W. Wald[src]
Watto was a 
male Toydarian junk dealer/human trafficker, who owned a 
shop in 
Mos Espa, 
Tatooine. In his youth, he served as a soldier in the 
Ossiki Confederacy Army on his homeworld of 
Toydaria, but later left after sustaining permanently damaging injuries. Making his way to Tatooine, he fell in with the 
Jawa
 natives of the planet, and learned how to trade from them. Once he felt
 he had learned all he could, he abandoned the Jawas, and set up Watto's
 Shop in Mos Espa. He became one of Tatooine's many slave owners, and 
made a lucrative business for himself. Eventually, he came into 
possession of a young slave, 
Anakin Skywalker, who proved to be a gifted mechanic, and an invaluable asset to the running of the store.
Our modern Watto trying to turn his junk dealership into a lucrative C-list reality show :
Jeremy