political satire

A political satire is any use of humour to attack or ridicule (same thing) a political person or position, or take such a position. It is a subset of satire as such.

The origins of known political satire go back at least to the ancient Greeks:

Comedians like Lenny Bruce have often been targetted for their art.

Today those operating in the Anglosphere, such as Jon Stewart, Rick Mercer and Lewis Black, do so with relative impunity. But only once they are famous enough.