Who said "Karen, what would I do without you?"?

This quote is attributed to Plankton.

Karen, what would I do without you? - Plankton

"Karen, what would I do without you?"

Plankton Gratitude

"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!"

"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"