Olga Kay (born Olga Sergeevna Karavaeva, November 20, 1982) is a Russian-American actress and YouTuber. She owns her own line of socks named Moosh Walks.

With Smosh

Kay guest starred in the Put it in My Mouth episode Eating Kangaroo w/ Olga Kay. She was also in the Smosh's Seriously Super Stupid Sleepover episode Not My Hands Challenge w/ Olga Kay.

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