Series creator Mike McMahan was inspired by Tosk from Deep Space Nine.
Star Trek: Lower DeckscreatorMike McMahanis introducing an alien to theTrek-verse.
McMahan took inspiration from Tosk, a character fromDeep Space Nine.

K’ranch, a new alien created for ‘Star Trek: Lower Decks’ season 3, chases after Jack Quaid’s Boimler.Paramount+
“I’m excited for you guys to see why he’s chasing Boimler,” McMahan teases.
The first couple episodes will “change the playing field of the entire show,” he says.
That goes for Tendi (Noel Wells) and Rutherford (Eugene Cordero).
Cut to Boimler shrieking when faced with K’ranch.