A cartoon making fun of a politician is an example of a lampoon.
When you make a cartoon about a politician's new platform and publish it, this is an example of a time when you lampoon his new platform.
Origin of lampoon
- French lampon perhaps from lampons let us drink (from a common refrain in drinking songs) first person pl. imperative of lamper to gulp down of Germanic origin
From American Heritage Dictionary of the English Language, 5th Edition
- From French lampon.