If these names mean nothing to you, just watch the same things happen to Judy Tenuda and Imo Phillips. Or just watch it happen to Parker and Stone. They are on the precipice. Baseketball proved their irreverent humor had no genuine human feelings under it. They imitated the external forms of previous irreverent comedies, but they couldn't hide the emptiness inside.
South Park is just the same.
The characters have the depths of the cardboard cutouts they resemble. To make them any deeper, Parker and Stone would have to know more about life, and that requires living. Characters like Pepper Ann, The Brain, Clark Kent and Bugs Bunny have run for dozens or hundreds of episodes and are unforgettable. Because their creators based them on real life experiences, they are people . Kyle, Cartman and Chef are just attitudes .