Jeffrey Jones
Remember the jerk principal from "Ferris Bueller's Day Off"? He was just as unlikeable in real life. Jones was charged with counts of child pornography in 2002 and was sentenced to 5 years probation. He's also a registered sex offender.
Jerry Lee Lewis
Iconic musician Jerry Lee Lewis was just 23 when he married his first wife. She? Was his 13-year-old first cousin. They kept the fine-print details of their marriage private until a reporter did some digging and leaked the truth. His popularity absolutely plummeted after the story broke. Despite that, the couple stayed together for 13 years.