Kafrian

Kafrians are a space-faring humanoid civilization from the homeworld of Kafri. They were noted for having a horn on their head.

Background
Kafrians had a reputation for not holding their liquor and being of a pacifist nature. They were called derisively called "horn-heads".

Kafrians were known to the Mobian civilization.

History
In 2266, James T. Kirk disguised himself as a Kafrian while visiting Mobita, to avoid violating the Prime Directive. His disguise was convincing enough to those in a bar. One patron insulted his Kafrian heritage and started a fight, leading to Kirk's arrest by Mobian police. Kirk removed his disguise only to Mobian's prime minister Aado.