Feiffer the cartoonist would regularly lampoon conformity, though he was anything but rebellious as a child growing up in New York.

In 2018, he was sentenced to six years for contempt of court and intimidating the wife of a political cartoonist who is widely believed to have been disappeared.

Mr Kavuli, a content creator, was seized on the outskirts of the city in December, while Mr Kiplangat is the brother of satirical cartoonist Kibet Bull, who also went missing last month.

“As an editorial cartoonist, my job is to hold powerful people and institutions accountable,” Telnaes wrote.

For years, the legendary Washington Post political cartoonist Herbert Block, aka Herblock, drew Richard Nixon with a menacing five o’clock shadow.