Jimmy Neutron Wiki

Mark DeCarlo

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Mark DeCarlo

Mark DeCarlo

Mark DeCarlo performs the voices of Hubert Beaumont "Hugh" Neutron, Ooblar (in the video game), and "Cool" Hugh, Neutron in The Adventures of Jimmy Neutron: Boy Genius. He also voiced Flippy on The Adventures Of Jimmy Neutron Boy Genius. He's an American voice actor and comedian.


Mark DeCarlo

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