The title comes from the Russian words for rats, with kryski as a diminutive form meaning little rats. No single film, show or creator is reliably credited with the recording, so its life is mostly online as a shareable animal clip. It circulates on soundboards under the Russian spellings krysa, krysy and kryski, which helps pet owners and editors find it. Its length lets creators pick a single squeak or a longer burst of chittering, keeping it useful for memes, pet videos and playful sound design.