A caricature is a funny or exaggerated drawing or description that shows someone's unique features or personality in a humorous way. It may emphasize certain characteristics, often for entertainment purposes. Full definition
In 1878, Puck introduced the practice, printing a page of caricatures of works of art from the first exhibition of the Society of American Artists (see below). (rockwell-center.org)
In the U.S., we show geeks as caricatures of real people. (edutopia.org)
To be sure, there is a reasonable facsimile of caricature in the above samples; but I think they ring a bell here and there. (religion-online.org)