Chad Dylan Cooper is a fictional character from the Disney Channel series Sonny with a Chance. He is portrayed by actor Sterling Knight and is known for being a charming and confident teen heartthrob. Chad is the star of a popular show called So Random!, where he often interacts with the main character, Sonny Munroe, played by Demi Lovato. Chad is characterized by his good looks, talent, and sometimes egotistical behavior. Throughout the series, he navigates his relationships with Sonny and his fellow cast members, showcasing both his comedic and romantic sides. His character adds a dynamic element to the show's storyline.