Kryukov
Kryukov (Russian:Крю́ков) and Kryukova (Russian:Крю́кова; feminine) is a common Russian surname derived from the word "крюк" (kryuk). While the literal meaning of the word is "hook", the surname stems from the figurative meaning of "finicky person", a "quibbler", but also a "stoop-shouldered person".