Thankfully it's not Boris Johnson, a man who sets himself up to be the butt of the jokes. Frankie Boyle has a few:
A cross between a brain injury and an unmade bed
A malevolent baked Alaska
The interface of the public school system and foetal alcohol syndrome
What happens when Pixar is infiltrated by the last surviving Nazi war criminal
Oswald Moseley’s soul trapped in a Furby