Barnes is a big fan of the metal pioneers Black Sabbath, which is why Cannibal Corpse did a cover of "Zero the Hero" (one of Barnes' favorite Black Sabbath songs) on the Hammer Smashed Face EP.
When asked about George "Corpsegrinder" Fisher, his vocal replacement for Cannibal Corpse, he said, "I know George is a good singer, though he wouldn't have been my choice personally.