Bernie Madoff has turned into the devil incarnate for stealing money from various charity groups and schools. As of today, though, he may no longer be the most evil Ponzi schemer around. Meet Marvin Cooper. The founder of a company called Billion Coupons—the name alone should have been a warning sign, no?—Cooper now stands accused of bilking deaf people by holding investment seminars at deaf community centers. And here we were thinking we'd already reached the bottom of human depravity! [NYT/Dealbook]