I'm reading Kevin Clash's autobiography right now and he mentions his parents are Gladys and George Clash; in Elmo's World of Birthdays, Dorothy imagines the day Elmo was born, and in the hospital room, Elmo's dad says "Oh boy, George is almost a daddy!", then Elmo's mom adds "Oh boy, Gladys in almost a mommy!" Cute little connection/reference to Kevin's parents, isn't?