Yes, Prime has a mouth underneath that faceplate - it's been revealed on a few occasions throughout G1...





...and G2...



And underneath that mouth is a whole buncha ugly tentacles - KISS Players eat your heart out!



And underneath those hentacles... umm...



In the storybook "The Great Car Rally" Prime just had a human looking mouth


But the scariest of all is what's underneath Prime's faceplate in the G1 cartoon...

...proceed at your own risk...






















(it was animation error )