Let no one deceive you in any way. For it will not be, unless the departure comes first, and the man of sin is revealed, the son of destruction,
2. NERO - Became the worse Roman Emperor persecuting Christians. He had been restrained by Seneca from his evil ways, until he had Seneca put to death. He then followed his evil heart. (Pulpit Commentary, 2Thess.2.3 p.56, "Nero was already adopted by Claudius, and was regarded by many as the future Caesar. ’He that restraineth’ was Claudius." )