Windsor McCay was around at the turn of last century, pioneering animation, drawing several comic strips and editorial cartoons daily, and generally being a badass.
He is best known for his comic strip Little Nemo in Slumberland.
But he also pioneered animated drawings with his animation "Gertie the Dinosaur".
more examples of his work
to learn more
also, Fantagraphics books has a book in print on him now that is fantastic. Type in McCay in the Search bar, its called "Daydreams and Nightmares". Worth every penny. http://www.fantagraphics.com/