From Boingboing.net:

It was the lead item on the government’s daily threat matrix one day last April. Don Emilio Fulci described by an FBI tipster as a reclusive but evil millionaire, had formed a terrorist group that was planning chemical attacks against London and Washington, D.C. That day even FBI director Robert Mueller was briefed on the Fulci matter. But as the day went on without incident, a White House staffer had a brainstorm: He Googled Fulci. His findings: Fulci is the crime boss in the popular video game Headhunter. “Stand down,” came the order from embarrassed national security types.

Sigh. Other bad guys the Feds may want to look out for: Tommy Vercetti, Bowser, Koopa, Bob-omb, Donkey Kong (the original), Blinky, Ganon, Guile, Destro …