Winsor McCay - How A Mosquito Operates

Description from Wikipedia: How a Mosquito Operates (1912), also known as The Story of a Mosquito, is a silent animated film by American cartoonist and animator Winsor McCay. The six-minute short, about a giant mosquito who torments a sleeping man, is one of the earliest animated films and is noted for the high technical quality of its naturalistic animation, considered far ahead of its contemporaries.