Who said "I will rule this world with an iron fist!"?

This quote is attributed to Dr. Robotnik.

I will rule this world with an iron fist! - Dr. Robotnik

"I will rule this world with an iron fist!"

Dr. Robotnik Leadership

"I am the world's greatest scientific genius!"

"Sonic, you blue pest, I'll get you yet!"

"Roboticize the world!"

"Science is the key to ultimate power."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"