Joe Barbera's s always complaining that he can't get humor into cartoons anymore. Just do it. You've got your money. Why do they let the networks run their lives?
I find it very hard to sit down and create an idea or especially a new character on command. Usually my characters evolve by accident out of some story context.
I influenced the BG style by not being able to draw perspective. The BG artists developed cool graphic painting styles to make my bad backgrounds look like they were that way on purpose.