There is no origin. In his first appearance it is
assumed The Captain has been on the job for awhile, as officials in
Washington DC are trying to get rid of a "...strange girl from outer
space (who) is up to some evil." Only one man can do the job -
Captain Sprocket! In Panel 1 of Page 3, he changes into a
uniform, an unfortunate mix-up at the laundry. Two panels later, in
what is now considered so very politically-incorrect, a
Chinese-American laundryman delivers the right suit. After a couple
of pages of shtick and several failures to defeat the girl from
Venus, The Captain uses his ultimate weapon: the "Swiss Kiss".
Disgusted, she leaves in a hurry, vowing never to return to Earth.
Limburger cheese on The Captain's breath and kiss was the "frightful
weapon that scared her off."
the Marines to serve his country.