Who said "Mortality is just a minor inconvenience in my plans."?

This quote is attributed to Stewie Griffin.

Mortality is just a minor inconvenience in my plans. - Stewie Griffin

"Mortality is just a minor inconvenience in my plans."

Stewie Griffin Death

"Ah, victory! Now if you'll excuse me, I have a world to take over and a diaper to fill."

"You know, Lois, I'd kill you if I weren't so lazy."

"Quiet, you are all stupid! Especially you."

"I'm gonna take over the world, and when I do, all of you will bow down to me!"

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."