I happened upon it by (somewhat embarrassingly, sorry Uber Serious Design Types) typing in 'comic sans ... of the font for it to work (and many of the best free fonts are on the list).
These are considered best for longer text passages. Sans serif fonts, like Arial and Helvetica, are defined by what they don’t have: those “wings” and “feet.” They have cleaner lines and ...
And then there's the classic Serif and Sans Serif divide; choose a category depending on how much you enjoy decorative lines ...