These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Aborted Arc: His match with CM Punk was canceled due to Nash not really being able to pull off a match these days.
The Atoner: Nash expressed some regrets for his deeds in WCW, which led to him working with a couple of young guys at TNA like Chris Sabin or Alex Shelley. Partially averted, because he kept lambasting guys like Chris Jericho, though.
Even carried over into his character in TNA upon his exit from the company. This was used as his reason for refusing to go along with the Immortal conspiracy, especially after Hogan got rid of his Wolfpac buddies.
Base Breaker: Kevin Nash is up there with Jeff Jarrett and Triple H in terms of having a bad reputation with Internet Fans. Nash slightly moreso since during his tenure in WCW as Head Booker, he literally did prevent people such as Eddie Guerrero and Chris Benoit get their arguably deserved pushes. Of course, considering his reception at the Royal Rumble, he's still widely popular.
Mainly because Nash is entertaining.
Growing the Beard - His run as WWE champion is remembered for being... pretty poor. It's been noted he was the lowest paid WWE Champion because he was the lowest drawing. The highlight of which has to be Brett Hart taking it from him at the Survivor Series (well, that and his PWI Match of the Year with Shawn Michaels.) However, after that, he started becoming a more interesting Heel. He then jumped shipped to WCW and with the NWO became the Magnificent Bastard we know and love.
He's Back: After dropping off the radar since his 2011 Rumble appearance, he returned to cheap shot CM Punk at Summerslam after retaining the WWE Championship, allowing Alberto Del Rio to cash in his Money in the Bank Briefcase and win the title.
He had another Rumble moment in 2014, where he came out to the old nWo music that got him a nice pop from the crowd.
Memetic Mutation: As part of his Glass Cannon designation. He once tore a quad muscle just by walking across the ring to make a tag, giving rise to the (brief) "OW MY FUCKING QUAD~!" Now it's Nash *insert action*… *tears quad*.
He also has a summer house on Fire Island, thank you for asking.