|“||Our church is at war. We are under attack from an old enemy. The Illuminati. They have struck us from within and threatening us all with destruction from their new god Science.||„|
|~ Camerlengo Patrick McKenna|
He is portrayed by Ewan McGregor.
McKenna is the Camerlengo of Vatican City and servant of the Holy Roman Church. He assumes temporary control of the Vatican while a new Pope is being elected, following the death of Pope Pius XVI, but four of the "preferiti" (favourite cardinals to be elected Pope) are kidnapped by the Illuminati. They threaten to kill one cardinal every hour and destroy Vatican City using a vial of antimatter that had previously gone missing from a nuclear research facility, which would act as a bomb. In reality, it is McKenna, not the Illuminati, who is behind the scheme, having wanted to claim the Pope's position for himself and gather the church's greatest followers to his side, as well as to deter people away from science. In despair, the Vatican summons a symbologist from Harvard University named Robert Langdon to help them rescue the preferiti and recover the vial.
When the vial is eventually located in St. Peter's Tomb beneath the church, McKenna (who is a former military pilot) takes the vial in a helicopter and flies above the Vatican before escaping in a parachute. The vial explodes in midair, and McKenna is deemed a hero and a savior by the people. As McKenna is about to be elected Pope, Langdon discovers on a security video that McKenna was actually involved in the attack and the video is shown to the cardinals.
The Cardinals have McKenna brought to the Sistine Chapel where he realizes that he has been exposed. McKenna leaves the chapel and runs into the Basilica. Entering the Confessio, he grabs one of the bronze lamps and extinguishes the lamp's flame. Pouring the contents of the lamp over himself, McKenna then commits suicide through self-immolation.
Following McKenna's death, the church keeps the details of his crimes secret, instead announing that McKenna had died due to injuries sustained through saving the Vatican from the anti-matter.