Tobias Forge (,, born 3 March 1981) is a Swedish singer, musician and songwriter. He is the leader of the masked heavy metal band Ghost, performing live as their vocalist under the stage names Papa Emeritus and Cardinal Copia. His identity as the Ghost frontman was only confirmed in 2017, following a lawsuit by former members of the band. Prior to finding success in Ghost, Forge was in several other bands including Repugnant and Crashdïet under the name Mary Goore. Forge was a member of the band Superior under the stage name Leviathan in 1996.