In an August 2013 interview with Jack Osbourne for Fuse News, a member of the band said that Dave Grohl has dressed up as a Nameless Ghoul and secretly performed with Ghost.
U intervjuu s Jackom Osbourneom koji se održao u emisiji Fuse News u kolovozu 2013. godine, član sastava izjavio je da se Dave Grohl maskirao u bezimenog zloduha i u tajnosti nastupio s Ghostom.