"filthy creature" is a correct and usable phrase in written English.
It is an adjective-noun phrase used to describe someone or something as being dirty or unclean in a derogatory manner. Example: "The alleyway was littered with trash and a filthy creature scurried out from behind a dumpster. It was a mangy and malnourished stray cat."
On 1 January 1909, Elvira accosted Doria and her cousin Giulia and called Doria a "gossip and a filthy creature".
And when she prefers the Verudins to him - Madame Verudin finally disgusted with Swann, "the filthy creature", who thinks "we are running a house of assignation" (a fair point even from the grotesque Madame Verudin), Swann begins to suffer.
Shakespeare had no anti-Semitic intention, Mr. Berkoff says, but he laments that portrayals of Shylock have grown increasingly tepid as modern history has rewritten the role's subtext: "Shakespeare wrote Shylock as this filthy creature in this encrusted cap, egg sandwich in the back pocket, old coat stiff with spit.
Instead I fantasized about writing an expose on the curious bathroom habits of heterosexual males and the isolation a gay man feels whilst urinating among such filthy creatures.
After gingerly examining the now-filthy, balding creature, my husband suggested an eye patch.
Humans are the most destructive, filthy, pollutive creatures around and are wrecking what's left of the planet with their false morals and breeding culture.
If you pack creatures into filthy, sunless places and provide them with only "feed-grade" ingredients — a primary source of salmonella, avian influenza, and other diseases — sickness will follow.
In the extremely bitter fourth part, Gulliver visits the land of the Houyhnhnms, a race of intelligent, virtuous horses served by brutal, filthy, and degenerate humanlike creatures called Yahoos.
Even the famously filthy pig is quite a clean creature.
