Who said "Why be good when you can be great... and evil?"?

This quote is attributed to Plankton.

Why be good when you can be great... and evil? - Plankton

"Why be good when you can be great... and evil?"

Plankton Humor

"I'm ready to take over the world!"

"The secret formula is mine!"

"I'm going to steal the Krabby Patty secret formula and become rich!"

"SpongeBob, you're no match for my genius!"

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."