Otto Waalkes

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Otto Waalkes

Self

Self

Self

Self

Catweazle

Otto Leonhard

Various

Otto Leonhard

Harry Hirsch

Self

Self

Self

(Unknown)

Wilhelm Tell

Notrufbeantworter

Spirit of the school founder Otto Leonhard

Self

Otto

Self

Bubi (voice)

Self

Self

(Unknown)

Otto

Self

Self

Thanks

Self

Bubi

(Unknown)

Grille (voice)

Bubi

Scientist

(Unknown)

Bruno Bommel / Papagei

(Unknown)

Otto, Baby-Otto, Otti, Großvater

(Unknown)

Karl/Otto/Amor

Otto / Benno Gross

Otto

Otto / Otto's Father (voice) / Otto's Mother (voice) / Mr. Astrid (voice)

Self

Self