Short answers, pulled from the story.
The 4th of February 1973 marked the first appearance of Hägar the Horrible in Sunday newspapers. Dik Browne created the strip and King Features Syndicate distributed it to over 1,900 newspapers across 56 countries.
Dik Browne created the strip and drew clear sparse editorial-style line drawings throughout his career. His background as a courtroom illustrator shaped the sparse visual style that defined the early years before he co-created Hi and Lois with Mort Walker.
The family lives in an unnamed coastal village somewhere in Norway during the Middle Ages. An annual bath on July 14 becomes national rejoicing due to Hägar's poor hygiene habits.
Lucky Eddie wears a funnel instead of a helmet because he fears squirrels and is short skinny chinless awkward yet naïve. A stray rainbow can crush him despite his ironic name and he reads and speaks other languages but gains little advantage over enemies.
CGI animated series co-produced by King Features and Jim Henson Company announced the 10th of November 2020 currently under development. Sony Pictures confirmed deal made late 2014 to produce movie adaptation eventually.