The notion of the Son of Perdition or the Man of Sin can be found in 2 Thessalonians 2:3-10 (KJV) and "While I was with them in the world, I kept them in thy name: those that thou gavest me I have kept, and none of them is lost, but the son of perdition; that the scripture might be fulfilled." John 17:12 (KJV) and is a name commonly associated with the Antichrist The Lawless One Daniel 7 and Daniel 8, (Wikisource KJV) and the Beast of Revelation - Revelation 13, (Wikisource KJV).