“A short video shot by a visitor to the Louvre in Paris showed the aftermath of the incident on Sunday as a member of staff is seen wiping off cream that had been smeared on the reinforced glass case that protects the world’s most famous painting.” Mona Lisa Attacked With Cake by Man Disguised as Woman in a Wheelchair. After throwing the cake, the attacker reportedly said, “think of the planet.” (I had this guy pegged as an anti-gluten activist.)