Who said "Death is just a part of the circle of life."?

This quote is attributed to Glenn Quagmire.

Death is just a part of the circle of life. - Glenn Quagmire

"Death is just a part of the circle of life."

Glenn Quagmire Death

"Giggity!"

"Allllright!"

"You gotta live life to the fullest, giggity goo!"

"Love is just giggity waiting to happen."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."