Who said "Death isn't so bad once you get to know him!"?

This quote is attributed to Billy.

Death isn't so bad once you get to know him! - Billy

"Death isn't so bad once you get to know him!"

Billy Death

"I'm a big fan of science!"

"Mandy, wouldn't it be great if we could stay young forever?"

"I love the smell of destruction in the morning!"

"Why does everything have to be so complicated?"

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."