Igor

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Transliterated from Russian И́горь(Ígorʹ), a Varangian name derived from Old Norse Yngvarr, Ingvarr, from Yngvi (name of a god) + herr(“army”). Doublet of Ivor.

From the hunchbacked lab assistant to Dr. Victor Frankenstein in the 1931 U.S. film Frankenstein of Universal Studios, which was named "Fritz", and the successor to Dr. Frankenstein found in the third and fourth films, named " Ygor"; which have been conflated in popular culture to become "Igor".