“Four months into his run as the title character on NBC’s “My Name Is Earl,” Mr. Lee understands that the boundary between his on-screen alter ego – a likable loser determined to make amends to everyone he’s ever wronged – and his own identity has been obliterated. Fans of the sitcom who don’t know Mr. Lee’s name now feel perfectly comfortable addressing this 35-year-old actor in public as “Hey, Earl!” And last week, NBC moved “My Name Is Earl” (on which Mr. Lee also serves as a producer) into the 9 p.m. Thursday time slot that has traditionally served as the cornerstone of the network’s prime-time lineup.”