People or things that other people believe in. Roughly equivalent to 'Gods'. The ones listed here are all from canon continua. As most of these figures are omniscient, they more likely than not know about the PPC.
“Death is defined by Wikipedia as "the permanent termination of the biological functions that...Death
“Ilúvatar ("All-Father") is the Creator figure in Tolkien's works. He features most prominently...Eru Ilúvatar