Uncle Hank

  Muppeteer :   Frank Oz  Uncle Hank  is the uncle of  OSCAR The Grouch . He is also the uncle of  Oscar  ' s brothers Ernest  &  Otto the Grouch  & their sister  Bunny. Uncle Hank appears in ''[http://muppet.wikia.com/wiki/Sesame_Street_Stays_Up_Late! Sesame Street Stays Up Late ! ]'', on the party line with  Oscar  ,  Mrs . Grouch  &  Oscar  ' s other  Grouch  relatives. Whether Hank is the brother of  Oscar  ' s  mother  or  father  is still unknown.

TV / Movies / Specials

 * Sesame Street Stays Up Late ! ( 1993 )

Books

 * Sesame Street Stays Up Late ( book ) ( 1995 )