Olga Pataki
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| Played by | Nika Futterman |
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| Parents | Big Bob Pataki |
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| ID | 1220118 |
About Olga Pataki
Olga Pataki is Helga's intelligent, outgoing, older sister on Hey Arnold!, who attends the fictional Wellington College. But in one of the episodes, Helga says that Olga attends Bennington College, which is an existing college located in the U.S. state of Vermont. Olga clearly suffers from perfectionism.
Olga Pataki Photos
