That was one of the more unusual names on the list:
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Granted, the article did not claim that these were names Russian people called their cats, they were simply "Russian names" (actually, many of these are random Russian words) you might bestow on your cat.
Some, like "Laika", being rather ill suited, IMO.
And others ... how in the world did they decide they belong in a list of "Russian cat names"
My favourite, other than "Karl" and "Marx" (Who was German, but, well, you know
...) is possibly "Yul" ... after the famous Russian-born actor "Yul Brynner" ... which was, of course, his stage name based on his original name "Yuliy", the Russian version of "Julius" ... so ... Russian