car·i·ca·ture
/ˈkerikəCHər,ˈkerikəˌCHo͝or/
noun: caricature; plural noun: caricatures
a picture, description, or imitation of a person in which certain striking characteristics are exaggerated in order to create a comic or grotesque effect.
"There are elements of caricature in the portrayal of the hero"
Similar: cartoon, distorted/exaggerated drawing, distortion, parody, satire, lampoon, burlesque, mimicry, travesty, farce, skit, squib, sendup, takeoff, spoof
pasquinade
a ludicrous or grotesque version of someone or something.
"he looked like a caricature of his normal self"
verb: caricature; 3rd person present: caricatures; past tense: caricatured; past participle: caricatured; gerund or present participle: caricaturing
make or give a comically or grotesquely exaggerated representation of (someone or something).
Similar: parody, satirize, lampoon, mimic, ridicule, mock
Yes, indeed. Art taken to an extreme is still art, but where is the fine line between beautiful and ugly? If it's in the eye of the beholder then we need to respect art that we don't like, and we need to respect those who don't like our version. It's a two-way street. Or is it? Thomas Jefferson questioned censorship, "...Whose foot is to be the measure to which ours are all to be cut or stretched?..."
There are guardians of the art in bonsai that demand obedience to a set of measurements that are not realistic, and insist that there is no true bonsai other than Japanese. Non-believers are illiterate, unskilled, etc. Only true believers may opine.
Over my dead body.