* FakeNationality: As a Korean-American, his casting as Sulu in ''Film/StarTrek'' attracted some controversy with fans, until Creator/GeorgeTakei, the original Sulu, explained that Sulu is a pan-Asian character, meant to represent all Asian nationalities.
* FunnyCharacterBoringActor: Inverted. His real-life personality is the polar opposite of the uptight Harold from the ''Harold and Kumar'' movies.
* IAmNotSpock: After ''Film/AmericanPie'', fans would apparently shout "MILF!" at him. After ''Film/HaroldAndKumarGoToWhiteCastle'', it was "Harold!" Cho has remarked in interviews that going from a catch phrase to an actual name was a sign of progress.
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