He did it again during the Chicago Air Festival on Friday, this time performing alongside Drowning Pool themselves.

Metal Grandpa, joined singer Jasen Moreno, guitarist C.J.

Pierce, bassist Steve Benton, and drummer Mike Luce during the bands 2 p.m. set.

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Credit: Gabriel Grams/Getty Images

he shouted, before leading the crowd in a chant of Bodies!

This is what we want to see: Me and John and Drowning Pool, Moreno said.

You are welcome to join us on stage anytime.

Relive the moment that launched Hetlinger to fame.