Leonardo is Clyde Crashcup's assistant in the 1961-1962 television series The Alvin Show.


Leonardo is a short, bald man who wears glasses and has a football shaped head. He doesn't speak; he only whispers to Clyde to inform him of his ideas. Leonardo frequently invents or prefects an invention, but Clyde takes the credit from him. Leonardo's usually emotionally displeased when Clyde insults his intelligence.


  • Every Clyde Crashcup Segment


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