<P> Warren is Mayberry barber Floyd Lawson's nephew . Warren hails from Boston, Massachusetts . He graduated fourth in his police academy class but proves to be a bungler in Mayberry . Warren serves as deputy of Mayberry under Sheriff Andy Taylor, following the departure of the previous deputy Barney Fife, when actor Don Knotts left the series . Warren is just as impetuous in his role as deputy as his predecessor Barney and is just as bumbling . Many of the episodes Warren appeared in were actually originally written for Barney, however, after Don Knotts's late departure from the show following season 5, some episodes were rewritten for Warren . His most common trademark is his repeated questioning followed by a rapidfire succession of the phrase "Huh?". Warren is a bachelor and a sleepwalker . </P> <P> Warren's first appearance occurs in "The Bazaar". He puts an end to Aunt Bee's bingo games at the Ladies' Bazaar . </P> <P> After eleven appearances in the sixth season, due to his unpopularity, Warren disappeared without any explanation to the viewers as to why . His character was written out of the show and never mentioned again . In fact, when Andy visits Barney in Raleigh in the season 7 episode "A visit to Barney Fife," Andy mentions Barney's former job "is still open ." After season 6, Goober Pyle is deputized on rare occasion in Warren's place . </P>

What happened to warren on the andy griffith show