Who said "Love is a weakness that I've learned to exploit in others."?

This quote is attributed to Penguin.

Love is a weakness that I've learned to exploit in others. - Penguin

"Love is a weakness that I've learned to exploit in others."

Penguin Love

"I am not a human, I am an animal. A cold-blooded animal."

"You poor, unfortunate fool."

"Life's a bitch, isn't it?"

"I've been dead once already. It's not so bad."

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"