"I wanted to explore deep and insightful theater, but instead I'm narrating a show with poop jokes and Whitesnake songs" wisecracks the infectious, twinkle-eyed Mitchell Jarvis as Lonny, the mullet-haired Narrator of Rock of Ages, the deliriously entertaining 1980s hair-band jukebox musical now blasting the doors off the Brooks Atkinson Theatre. As the song goes, it don't mean nothin' but a good time. But it's also one of the funniest shows now on Broadway.

The plot is thin by design; yet the fun is all in the tongue-in-cheek telling thanks to Chris D'Arienzo's gleefully spoofy book, Kristin Hanngi's snappy direction, and lit-up performances from the entire cast. There's Drew (Constantine[...]