https://en.wikipedia.org/wiki/Zoich

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"The mascot takes its name from the year "2014" as it is represented on the Olympiad’s logo: The numbers 2, 0, and 1 as they are represented look like the Latin Z, O, and I. The number 4 looks like the Russian letter Ч, which is like the English "ch" Many Russian-speaking people read "2014" as "Zoich" upon presentation of Sochi-2014 logo."