When certain prominent features of something or someone are highlighted and other features are diminished, that is called caricature. Studies have found that it is easier to identify a political leader from a caricature than from a real photograph. This is actually a special form of exaggeration. You can use caricatures of yourself in your own promotional material or in your programs to make fun of yourself. You can do the same thing to make fun of your competitors or your competitor's products by amplifying whatever feature you want to emphasize.
Caricature artists are not too hard to locate. Many times you can find them by looking in the yellow pages under the categories of entertainment or party planning because they frequently
perform at parties.