Meet Warren "Plainclothes" Palmer! A top-ranking detective who will undertake the most prominence of all supporting characters to appear in The Gist with Morgan.

Being a childhood friend of Sheffield ever since his boy adventurer days, he now works for their mutual police department as the frontman of almost any investigation, which Morgan and Sheffield are frequently invited to. Suave, reverent, and hardnosed, Palmer represents just about everything an idealistic detective should be, which is further backed up by his many scores, such as 21 citations for exceptional bravery, deemed Cop of the Year four times in a row, and even most pinpointed for an unmatched Detective of the Decade award. Clearly, no vice or bunko squad could be commanded by anyone else as punctual as him.

Characters that helped define his own include Dick Tracy, Nick Knatterton, Inspector Detector from Speed Racer, and Captain Francis Blake from Blake and Mortimer.