Cartman started out just as the foul-mouthed fat kid.
As the seasons have progressed, so has his character. He’s gone from just being the foul-mouthed fat kid to a self-centered, self-righteous, narcissistic, highly manipulative megalomaniac.
He’s literally the heart of the show, and without him, there is no South Park.
She be livin in her underground caves, drinkin her grog…