Popeye's storied ancestor initially gets his strength from garlic, but later discovers a more familiar aid, spinach, after his garlic is dosed with chlorophyll by his challenger. Chlorophyll is used in breath freshening products.
Garlic has been known for its healthy properties since antiquity.
The bad guy speaks with a vaguely East European accent, as befits the early Cold War era and the appearance of the first Soviet athletes in the Helsinki Olympics, two years prior.
Olive Oyl does not appear in this episode.