O'Neill is a talkative little human being residing in Los Angeles. He caught the acting bug early, declaring "I want to be on shows" shortly before turning 4. He loves baseball, TV, reading and almost anything having to do with superheroes. He's the son of actor/improviser Sean Monahan, co-owner of M.i.'s Westside Comedy Theater in Santa Monica, CA.read more
O'Neill Monahan has been suggested to play 5 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
Face Claims Sorted by Nickelodeon Shows and Original Movies
Biography
O'Neill is a talkative little human being residing in Los Angeles. He caught the acting bug early, declaring "I want to be on shows" shortly before turning 4. He loves baseball, TV, reading and almost anything having to do with superheroes. He's the son of actor/improviser Sean Monahan, co-owner of M.i.'s Westside Comedy Theater in Santa Monica, CA.
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