#4 Diesel
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WWE Hall of Famer Kevin Nash is one of the biggest legends' of the business and being one of the originators' of the evergreen New World Order faction, Nash remains as one of the all-time greats of the Pro Wrestling industry.
In 2002, Nash once again reunited the nWo with Hulk Hogan and Scott Hall, as the three men made their way over to the WWE for the first time since WCW got dissolved. However, injuries to various members of the nWo eventually ended the group's run in a disappointing manner and by 2004, WWE decided not to renew Nash's contract as he was officially released from the company.
However, in 2011, Kevin Nash shocked the entire world and returned to the WWE and that too using his Diesel gimmick for the first time since 1996. Despite lasting well over just two minutes, Nash's return truly remains as one of the most memorable returns' in Royal Rumble history so far.