Even before Genesis, Husky Harris and Michael McGillicutty got along. They're both the sons of stars from the late '80s, they've probably known each other since childhood.
His current gimmick of claiming to be the "true winner" of the 2015 Royal Rumble due to his having never been eliminatednote while neglecting to mention he'd never entered the ring is called Axelmania. On face value this is a clear ripoff of Hulkamania, but there's another meaning to it—namely, the fact that he's clearly going insane with increasingly delusional belief in his own hype.