With his latest movie - Angels And Daemons - Tom Hanks might be having sort of enigma disorder.

After playing the geek professor Robert Langdon at the latest “Davinci Code” saga movie, the actor got so addicted to his role that he’s kinda encrypting his own autograph.

Guess what he signed on a fans book while at the premiere of Angels and Daemons last Thursday night in Los Angeles.

A Big - “F U”. Is that his real signature? Or was he playing Professor Robert Langdom with her fans?

Well, we hope this fan never gets to know the truth. Check the picture below: