Series creator Eric Kripke explained that it "made the Apocalypse matter"; the writers wanted "real stakes and real loss and real obstacles thrown in our heroes' way" to differentiate it from prior seasons.
Tom Jones (singer) | John Singer Sargent | Pink (singer) | Bobby Vinton | Lulu (singer) | Bobby Jindal | Bobby McFerrin | Bobby Darin | Fergie (singer) | Engelbert Humperdinck (singer) | Adele (singer) | Bobby Fischer | The Jazz Singer | JoJo (singer) | Chris Brown (American singer) | Singer Corporation | Isaac Bashevis Singer | The Wedding Singer | Mark Murphy (singer) | Bobby Womack | Peter Singer | Mina (singer) | Bobby Bare | Duffy (singer) | Bobby Flay | Bryan Singer | Bobby Charlton | Singer | Dido (singer) | Bobby Thomson |