[3] The 1891 children's opera, Mr Kotsky, is by the Ukrainian composer Mykola Lysenko, with a libretto by Dniprova Chayka.

[2] [3] In Barbara Suwyn's retelling, Cat's house name is Pan Kotsky, and he introduces himself to Fox as Sir Puss O'Cat.

[3] In Christina Oparenko's retelling, Fox is called Vixen,[1] and Cat introduces himself as Mr Kotsky.

[3] Mr Kotsky (Cat) and Fox get married, forming a typical Ukrainian folklore couple, "a clever and active woman with a kind and passive man.

The rude awakening causes Cat to react wildly, and seemingly confirms Fox's statement to the other forest animals that her husband, Mr Kotsky, is fierce.

Mr Kotstky lunges and bites the boar's tale out of instinct, mistaking it for a mouse.

The animals all run away, heal from their wounds, and marvel at their close call with the fierce Mr Kotsky.