These two vintage comic ads for Castoria laxative and Ben-Gay pain reliever ran in 1937 and 1943 respectively. The Peter Pain character (which is somehow similar to Mr Coffee-Nerves) would continue to appear in similar ads well into the 1960’s, quite often with art by Jack Betts or Gill Fox.
(with a tip of the hat to Merlin Haas, who keeps digging up these gems and generously gave us permission to spread the wealth)