Title: "Antichrist-Who is he?" 2 Thessalonians 2:9 How would you describe the Tribulation Period on earth to someone who knows nothing about it. Most likely you would talk about this coming evil world leader and you would probably include some characteristics or traits about this man. In fact, this is exactly what this message is about. Using many scriptures from the book of Daniel you are about to learn a great deal Of facts concerning this man of sin that we call the Antichrist.