#7 Tommy Dreamer
As he did at All In, Tommy Dreamer was a very recognizable presence in the Casino Battle Royale at AEW Double or Nothing. The ECW original brought his metallic trash cans while he wore polka dotted pants, in a tribute to Dusty Rhodes.
Of course, Tommy Dreamer was an integral part of the WWE in the early 2000s. In that time, he was a 14-time WWE Hardcore Champion and one of the last ECW originals to hold the ECW Championship. After being released by WWE in 2010, he made his way to TNA/Impact Wrestling where he was teamed with several ECW alumni such as Mick Foley, Al Snow, Raven, and Rob Van Dam, forming EV 2.0.
Tommy Dreamer has been making sporadic appearances in WWE and Impact Wrestling over the years. He is currently in Impact Wrestling, involved in a storyline featuring fellow Hardcore legends, Sabu and RVD.
Tommy Dreamer is akin to a game of Where's Waldo. Wrestling fans will never know when he will show up next.