Who said "Kindness is a weakness I exploit in others for my gain."?

This quote is attributed to Dr. Robotnik.

Kindness is a weakness I exploit in others for my gain. - Dr. Robotnik

"Kindness is a weakness I exploit in others for my gain."

Dr. Robotnik Kindness

"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 good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."