Introducing heavy metal grandfather, John Hetlinger!

This is the most amazing 71 seconds I've ever seen.  I was afraid that this elderly gentleman was going to fall out during his performance!

Ironically, his performance took of like rocket!  This man expelled more energy, during his performance, than I thought he had to live out the rest of his days! 

I never heard this song until last night, this is not my type of music.  Will he tour with Drowning Pool next?  Amazing!