Dishonourable mentions are vast. This, after all, is WWE.
The much-touted Keith Lee feels like just another body on the roster, which is inaccurate only in that you can't really see it. He covered it up. He made a big, immediate impact, by going over Randy Orton so quickly and so handily at Payback. But he worked the same opponents over and over, a thread in which he seemed angered by Drew McIntyre for his interferences was soon dropped altogether, and at time of writing, more of his RAW singles matches have ended in f*ckery than via clean finishes. He is trapped, as so many are, in a loop of inconsequential developments. It's all so muddled and difficult to piece together that it feels like he's been there years. That he's always been there.
He's been on RAW since August.
SmackDown is supposedly the far superior show, and yet it yielded an iconically awful karaoke segment straight out of 2010 NXT in which Lacey Evans sing a 1995 in-house number. On another edition, the very few number of wrestlers that weren't very conspicuous by their absence were made to salute the Undertaker in one of two Thank You ceremonies like a bunch of marks.
2020 was the year in which WWE struggled to adapt to a pandemic in closed-set horror shows. It was bad - so bad that this list doesn't even account for Eye For An Eye...