Oscar's Pop

 Oscar 's Pop  is, of course , the father of  OSCAR THE GROUCH  &  Oscar  ' s brothers ,  Ernest  &  Otto  & their sister  Bunny. Like Otto , Mr. Grouch is never seen in any episodes of Sesame Street. He only mentioned in the 1976 book   How to Be a Grouch , along with some other of  Oscar  's  relatives. He is also mentioned in the Christ mas special A Special Sesame Street Christ mas. Whether Mr. Grouch has passed away or whether he &  Oscar  's  mother  are divorced is unknown. Whether he is the son of Grandpa Grouch  or  Granny Grouch  is unknown also.

Books

 *  How to Be a  GROUCH  ( 1976 )

TV / Movies / Specials

 * A Special Sesame Street Christ mas ( 1982 ) ( mentioned )