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Nikola Messla

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DEBUT 2011

Nikola Messla is a Grouch professor at "Putrid University" (P.U.) who appears in a 2011 episode of Sesame Street.

Oscar the Grouch takes the online Grouchology class from the college, learning how to be a Grouch Scientist. Messla instructs him at his trash can via a webcam, aided by the Pesties.

His name is a reference to Nikola Tesla, a well known scientist and inventor.

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