In 'Thomas & Friends', what kind of vehicle is Thomas?

In 'Arthur', what kind of animal is Arthur Read? In 'Doug', what is the name of Doug's dog? In 'Blue's Clues', what kind of animal is Blue? In 'Barney & Friends', what kind of creature is Barney? In 'Paw Patrol', what is the name of the boy who leads the pups? In 'Bluey', what breed of dog is Bluey? In 'Breaking Bad', what is the name of Walter White's DEA brother-in-law? In 'Breaking Bad', what fast-food chain does Gus Fring own?