Otto the Grouch
OTTO THE GROUCH as illustrated by

DEBUT 1976

OTTO THE GROUCH is OSCAR THE GROUCHs baby brother. Hes also the baby brother of ERNEST THE GROUCH & OSCARs sister BUNNY, making him the 3rd son of MR. & MRS. GROUCH. OTTO is both seen & mentioned in the 1976 book How to Be a GROUCH.



See alsoEdit

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OTTO (disambiguation) Our GROUCH (& Were Stuck with YOU)

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