Who said "I am grateful for my brilliance, which knows no bounds."?

This quote is attributed to Dr. Robotnik.

I am grateful for my brilliance, which knows no bounds. - Dr. Robotnik

"I am grateful for my brilliance, which knows no bounds."

Dr. Robotnik Gratitude

"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."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"