You might think the 1987 classic Three Men and a Baby is all about Steve “hunkalicious” Gutenberg, but you’d be overlooking the scene-stealing Colin Quinn, credited in his first film role as “Gift Shop Clerk.” Of course, over the years, Quinn would go on to expected greatness—most notably trying, in trademark affected grouchiness, to fill the enormous shoes left by Norm MacDonald on Saturday Night Live’s “Weekend Update.” Never known to say nice things about his time working for the SNL Rockefeller Peacock, Quinn turned to comedy clubs, where good Lord, he shines. See him cover 226 years of American history in his show “Unconstitutional” on Thursday, Jan. 16, at the Wells Fargo Center. 50 Mark West Springs Road, Santa Rosa. 8pm. $37. 707.546.3600.