Filthomena

 Filth omena  is, obviously , a  GROUCH  who attends  OSCAR  ' s annual  GROUCH  Reunion in the 1989 book   What ' s in  Oscar  ' s  TRASH   CAN  ? &amp; Other Good - Night Stories . She also swim s in  OSCAR  ' s pool at the reunion with  GRUNDGETTA , Oswaldo  &  FLUFFY .

 Filthomena  eventually plays in  OSCAR  ' s  JUNK  Band also, in the 1994  book   Oscar  ' s  GROUCH  Jamboree  &  they  sing the  song   OSCAR  ' s  JUNK  Band .

Books

 *  What ' s in  OSCAR  ' s  TRASH   CAN  ? &amp; Other Good - Night Stories  ( 19 8 9 )
 *  OSCAR  ' s  GROUCH  Jamboree  ( 19 94 )