The Whistler vs. The Man From R.I.V.E.R.D.A.L.E.
Written by
Frank Doyle (writer), Bill White (pencils and inks), Victor Gorelick (letters)
Released 1966
1st of 2 stories published in Life With Archie #52, July 1966 - 13 pages.
"P.O.P. faces the newest and most deadly C.R.U.S.H. agent, The Whistler, whose permanent pucker allows him to whistle so loudly that it can shatter eardrums, bust safes, and annoy dogs."