A cartoon is a simple drawing showing the features of its subjects in a humorous or a fictional way. Cartoons cans also refer to a motion picture that is made up of a sequence of drawings. Cartoons in a movie have to be animated. Animated means to give (characters in a movie) the appearance of movement using animation techniques. Animated also means lively and expressive. This is a play on the different meanings of the word animated. 
To draw cartoons for a living requires someone who is very animated .