an ordinary uncomplicated person
His hero, Bruce Springsteen, is a gazillionaire, but he still manages to come across as a regular guy, so perception is reality.
He says he is a regular guy and a plumber, and that he became angry watching his character picked apart on a national stage.
Bill Cosby talks about his life, but it's normalizing, it's about him being a regular guy.
An honest, pleasant, convivial person, esp of the moral bourgeoisie: I know I'm not a regular fellow, yet I loathe anybody else that isn't/ She's like Wallace. A real fighter. A regular guy ( first form 1920+, second 1840+)