A monster was sealed beneath the Rift, Abaddon. The Torchwood website questions if there are more like him across the universe, asking "Were there other beings like Abaddon? Are they also entombed underneath planets across the universe?" - referring to the Beast as seen in the "Doctor Who" episode "The Satan Pit". Like the Beast, Abaddon was described as having been sealed away "before time". Bilis Manger describes Abaddon as "son of the Beast", and the Beast also says that some cultures have used the name Abaddon to refer to him.