On camera:
Vince McMahon having Trish Stratus half-naked in the ring on all fours and making her bark like a dog. And kissing random female wrestlers in front of his wheelchair-bound wife
Chris Jericho once tied Chyna to a chair and smashed her hand with a hammer
Lita got the shyt beat outta her with a chair by Austin and Triple H that one time
The time Jake the Snake smacked Elizabeth....not that big a deal today but was a big deal then
Kane FINALLY tombstoning Tori after she left him for X-Pac
Phineas Godwinn deciding to stop being a simp for Sunny after she ethered him......and slopping her with that nasty-ass slop bucket
Bubba Ray Dudley powerbombed Mae Young off the stage through a table.....and she had to be AT LEAST in her seventies at the time
Real life:
Chris Benoit....the king of this. Killed his wife....and used to beat her
2nd place may have to go to Jimmy Snuka who also killed his gf in the 80s. I heard his old ass is about to finally go to trial for that shyt
Stone Cold beat up Debra and was arrested for it
Goldust beat his girlfriend
Dynamite Kid pointed a shotgun under his wife's chin when she acted up