Yes, I don't believe there's anything Arnold cannot do, once he puts his mind to it.
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“Arnold is also artistically talented: he is working on a novel, he plays the piano, and he is an accomplished abstract painter, dubbed “Porky Picasso”, whose piece titled “Nude at a Filling Station” wins first prize out of two thousand entries in a student art contest. [7][8]”
https://en.wikipedia.org/wiki/Arnold_Ziffel#Situations
