The function of the court joker or jester in times of monarchies was essentially to provide transparency to a censored truth . This gave the court jester a great deal of power to report information about powerful people within the court, especially the king or queen.
The joker has the same function
as does the animal trickster in ancient mythology
These archetypes have a direct relationship to the function of the cartoon in print media & in broadcast tv. It is a means of conveying difficult truths & information insights to a wider population who may be unaware of what is going on behind the official establishment news.
TV shows like The Simpsons & South Park have a similar role to play in modern media culture providing a satirical view of the news events of the week.