Who said "I don't fear death. I became death."?

This quote is attributed to Cletus Kasady.

I don't fear death. I became death. - Cletus Kasady

"I don't fear death. I became death."

Cletus Kasady Death

"I am the symbiote, the voice in your head, the hunger in your belly."

"You don't understand what I am. I'm not human. I'm so much more."

"Red is my color. It's the only color that matters."

"They made me this way. They created a monster and then acted surprised."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."