Clark Griswold is a fictional character from the National Lampoon's Vacation film series, portrayed by actor Chevy Chase. He is known for his enthusiastic yet often misguided attempts to create the perfect family vacation experience. Clark is characterized by his optimism, determination, and a tendency to get into humorous predicaments. As the patriarch of the Griswold family, Clark often faces challenges that test his patience and resourcefulness. His adventures include trips to Wally World, Christmas celebrations, and various other family outings, all of which highlight his love for his family despite the chaos that ensues.