Louie is the loving father of Elmo and husband of Mae. While Elmo had been a major character on Sesame Street for twenty years, his parents were never seen on the show until 2006. Louie first appeared on-screen in the Sesame Beginnings direct-to-video series, as a stay-at-home dad and the primary caregiver to his infant son. (Sesame Beginnings takes place in a fictional "past" when the characters were babies, which we can assume in Elmo's case is about three years earlier than the Sesame...