The New World Order
Like the Horsemen, the nWo had a fluctuating membership. Their strongest line up was arguably Hall, Nash, Hogan, Syxx, and The Giant (Big Show.)
The nWo changed the rules of wrestling when they teased a 'hostile takeover' of WCW. Getting the biggest name in wrestling at the time--Hulk Hogan--on their side was a real coup, and instantly made the group a household name.
Charlotte Flair to return and wrestle a CURRENT CHAMPION?
The NWO were known less for their technical wrestling ability and more for their trash talking and gangland tactics. For the nWo, there was no such thing as an unfair advantage, and they took many liberties with the rules. However unlike the Horsemen, they didn't seem to care if they actually won matches or not, and many of their cheating shenanigans got them disqualified.
Now. let's rate both teams on their star power.