Boomer

As much as he is old, he is a jobber. The living proof that older isn't always better. But he doesn't care, he's just happy to sip on Monster Energy and give 'em hell.

The Old-Timer
A father who used to love wrestling, The Boomer has come to smash it in TFR, along his son who could use some time to learn what real men do and stay away from those sissy modern computer games.

Season 3
Boomer got a chance to relieve the old times by returning to the past, although strangely he didn't seem to appear...

Episode 5
After Chris-chan's defeat, he along with 18 other people were transported somewhere outside this universe after the use of The Focusing Stone to fix the universe.

Strange tapes appeared on his belongings after he disappeared...

Episode 10
Everyone else returned from Rokkenjima, but Boomer was never found. It is unknown what may have happened to him, some believe he changed, and others assumed he died.

We'll probably never know.