The word "barkin," as a capitonym, is informal vernacular for "berating," insofar as that it is the omissive form of "barking," an act which largely defines Steve Barkin's character; ergo it is reasonable to conclude the surname Barkin is an extension of this character's personality. His being a constable reflects idiosyncratic authority as lawful authority. Relations to Steve Barkin also are exemplified nominally.
Confidence: 75