Who said "I do not fear the darkness - I am the darkness."?

This quote is attributed to Doctor Octopus.

I do not fear the darkness - I am the darkness. - Doctor Octopus

"I do not fear the darkness - I am the darkness."

Doctor Octopus Fear

"The cunning warrior attacks neither body nor mind... but the HEART."

"I'm something of a scientist myself."

"Back to formula!"

"You know, I'm something of a scientist myself."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."