Did some research into Mark Van Hammer

Look at Mr. Magnificent Kevin Kelly in the link at the top pause at 6 seconds

Pause Mark Van Halen at the link below at three seconds or so.

Mark Van Halen Gym Weights Routine 80s Wrestler

I think it's Nailz when he was very young

And it could also explains Vince dubbing Nailz voice to make it sound more ominous

Here he is before his main event push weighing a little less – He looks shorter here barely taller than his partner.

Jimmy Garvin and Steve Regal vs Kevin Kelly and Paul Brown

Listen to his voice here:
Nailz Interview