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Jason Jones
PERFORMER Jason Jones
DEBUT 2011

Nikola Messla is a GROUCH professor at Putrid University (P.U.) who appears in EPISODE 4260 of SESAME STREET.

OSCAR THE GROUCH took the online GROUCHology class from the college learning how to be a GROUCH scientist. Messla instructs OSCAR at his TRASH CAN, via webcam, helped by the Pesties.

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








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