Who said "I don't back down. That's not in my nature."?

This quote is attributed to Negan.

I don't back down. That's not in my nature. - Negan

"I don't back down. That's not in my nature."

Negan Courage

"I am the eeny, meeny, miny, moe of the apocalypse."

"You don't have to be afraid anymore. Not of me. Not of anything."

"I don't kill women. It's not in my rules."

"I'm gonna take what I want, and I'm gonna make it mine."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."