Each character has 3 assets that define them. The image to the left is the first design before the critique.
Upper left: A distraught and timid model with big forearms, small biceps.
Upper Right: An obnoxious one-armed dentist. The second one is a hungover dentist.
Lower Left: A zesty crack-addicted artist with a large booty.
Lower Right: A zesty timid model with a large booty.
The image to the right is the final concepts and all are the same except for the Gorilla, who is a hungover Dentist with giant forearms.