Regal implied that he killed his grandmother once.
Had to look that one up.
"My dear, sweet grandmother used to sit me on her knee, and with her gin soddened breath say to me: 'William, you were born to hang.' I remember that sweet old lady's final words, Mr. Styles. And they were: 'William, put that hammer down.'"
Santino stole Jerry Stupid Lawler's delicious Subway sandwich
Similarly, John Cena spilled CM Punk's diet soda.
And did Kane commit arson? I thought Taker was the one that did that.
I'd also like to throw Randy Orton I the mix as most despicable character.
I've said this in past threads, but which Brother of Destruction burned down the funeral home is entirely dependent on who is heel at the time.
If Kane is heel, he burned the funeral home down by accident, and turned evil from a combination of PTSD from the physical and mental scarring and Paul Bearer's influence.
If the Undertaker is heel, he intentionally burned down the funeral home to kill his parents, and Kane surviving was an unfortunate oversight.
If they're both faces, we don't talk about the funeral home.
And I don't think they've ever both been heel at the same time (correct me if I'm wrong), so we've never had to figure out what that means in regards to their dead parents. Presumably, see "both faces" scenario.