What was the name of cartoon that had a giant robot with car for head fat guy found it in dump and got little bit money blond hair skinny friend chick from space?
The cartoon you are referring to is called "Transformers: Rescue Bots**."
The giant robot with a car for a head is called "Optimus Prime."
The fat guy who finds Optimus Prime in the dump is called "Chief Charlie Burns."
The blond-haired, skinny friend is called "Cody Burns."