Misc: How many years make a lustrum?

Questions

in the series gentle ben, what was the name of ben's young companion?

in the series 'happy days', what was the fonz's full name?

in the series 'the dukes of hazard', what was painted on the top of their car?

in the show "scarecrow & mrs king", what is mrs king's first name?

in the simpsons, who was the voice for maggies first word?