caricatural — a picture, description, etc., ludicrously exaggerating the peculiarities or defects of persons or things: His caricature of the mayor in this morning's paper is the best he's ever drawn.
overkill — the capacity of a nation to destroy, by nuclear weapons, more of an enemy than would be necessary for a military victory.
too-too — excessively and tastelessly affected: The movie was simply too-too.