Stan is usually considered the serious and sensitive of the group. Stan is able to think clearly and is generally good-natured. Stan usually tries to come up with logical solutions to their outrageous situations. Stan's character is loosely based on the persona (public personality) of co-creator Trey Parker. His best friend is Kyle and their relationship is essential in several episodes, such as when he saves Kyle's life in "Cherokee Hair Tampons", "Cartmanland" and "Super Best Friends".