The famously feather-haired John Stamos first jettisoned to instant stardom as an overstyled bad boy heartthrob during the golden era of “General Hospital” (ABC), before moving on to eight years as the overstyled bad boy heartthrob on the TGIF mainstay, “Full House” (ABC, 1987-1995). He spent the next 20 years using less hair products and trying to redeem his reputation. His magnetic attraction to (or contractual obligation for) made-for-TV-movies did not help boost his street cred, but with several well-received turns on Broadway, starring roles in higher-quality comedies, a few indie films, and the successful launch of his own production company, Stamos became the comeback kid. In 2006, he was added to the already impressive cast of “ER” (NBC, 1994- ) which was a huge nod of respect and a new beginning for a guy who had, at one time, seemed more a 1980s television relic, than a viable leading man for the new millennium. In September 2010 Stamos began a multi-episode arc as Dr. Carl Howell on the second season of the hit Fox series Glee.