Who said "I transform to entertain myself with your struggles."?

This quote is attributed to Frieza.

I transform to entertain myself with your struggles. - Frieza

"I transform to entertain myself with your struggles."

Frieza Humor

"I am the most powerful being in the universe!"

"You dare challenge me? How amusing."

"I have transcended beyond a normal Super Saiyan."

"Your resistance only makes this more entertaining."

"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."