So, if Bill was sort of based on the Illuminati, TECHNICALLY that means they're his dad.
So I imagine this was his childhood and the reason Bill's dimension got destroyed.
I: There goes another perfectly good wife.
B: WHAT JUST HAPPENED?!
I: Well, you just turned your mother into a pile of dust.
I: Her time was coming anyways.
B: HOW COULD YOU SAY THAT?!
I: All living organisms die, Bill. ALL OF THEM. Except the few lucky immortal ones.
B: SHE WAS IMMORTAL!
I: Well, she -was- allergic to peanuts.
B: WHY ARE YOU TALKING LIKE THIS?!
I: Because it's no good to dwell on this sort of thing.
B: WHY ARE YOU BEING SUCH A JERK ABOUT THIS?!
I: I'M just stating facts. Her time was coming. YOU are simply freaking out because you aren't used to people dying at the hands of you, a family member, or friend. See the difference?
B: *punches them into a black hole and ditches the dimension that green thing used to live in for the nightmare realm, which they'd never touched as far as is aware*
Dimension: *Spontaneous combustion cuz YEET!*