That would be Immortal from what this article says.
Why BLACK VEIL BRIDES' "Fake" Amps Are No Big Deal - Metal Injection Certainly not the first or last to do this.
I've played in bands that did this for the look. I was actually using a DI and 15" monitor in front of me. What was infinitely more annoying was playing with a guitar player they didn't know it was an illusion and showed up with three real full stacks and insisted on firing up all three of them on some small corner stage in a tiny bar, and then spent the night squealing with uncontrollable feedback all night as he constantly turned up his volume as he was slowly going deaf.