This is a photo gallery of masked rock stars, shown with and without their masks.

Because what's cooler than a musician who performs in a mask? Not to mention an entire masked band — of which there are several.

Whether it's with makeup, prosthetics or full head coverings, many rock and metal artists employ masks that obscure their identity.

But have you ever wondered what your favorite masked rocker looks like when they're out of costume? What's underneath that mask of theirs? In fact, what are they hiding?

READ MORE: The Evolution of Slipknot's Terrifying Masks Throughout the Years

We're here to help you find out.

Who's your favorite masked artist or band? Maybe an act such as Slipknot? Or Ghost? Even KISS can be considered masked rockers — their visages are obscured by their face paint.

Anyway, we're sure you can think of some masked performer or group with whom you identify the most. But let's not get ahead of ourselves.

For now, it's time to expose some rock star faces. Some of these you may already know, some you may not. Regardless, keep reading for the revealing list of rock stars who wear masks or face-altering makeup onstage — with one photo showing them masked, and one without.

Photos: Masked Rockers With + Without Their Masks

Have you ever wondered what your favorite masked rock star looks like out of costume? Whether it's makeup, prosthetics or full head coverings, several rock and metal artists employ masks that hide their true identity. Well, here is a revealing list of several rock stars who wear masks or face-obscuring makeup onstage — with one photo showing them masked, and another pic without their getup.

Gallery Credit: Philip Trapp

15 Maligned Rock Albums of the 2000s That Deserve a Second Chance

Has time been kind?

Gallery Credit: Chad Childers, Loudwire

More From 94.5 KATS