Impressionists. It’s hard to know whether to laugh at them or kill them by strangling them with their own vocal chords.
Alas, they’re not all idiots. Some are rather good and inventive with it. Of course, most aren’t. Most are jarring nincompoops.
However, one chap has an A-to-Z of celebrity impressions and, while some aren’t too hot, some are really, really great.