Nero Redivivus
The Nero Redivivus legend was a belief popular during the last part of the 1st century that the Roman emperor Nero would return after his death in 68 AD. The legend was a common belief as late as the 5th century. The belief was either the result or cause of several imposters who posed as Nero leading rebellions.
Some of the 1st and early 2nd century population viewed the idea of a revived Nero or one that had somehow had a faked death positively, as an avenger against any perceived evils of the day. Many early Christians viewed the idea quite negatively, and tied Nero Redivivus to conceptions of the Antichrist.