|Katsuhiko Kumanosuke Takahashi|
Private First Class
Private First Class Katsuhiko Kumanosuke "Mac" Takahashi is the technical expert of the Rapid Response Tactical Squad and a supporting character in the 2005 film Doom.
Mac left university to join RRTS. He isn't shown to be talkative unless talked to first and does not stay in the fighting long after being called away to rejoin the rest of the squad after Goat's death by Dr. Willitts.
He is killed in the Archeology Dig while being told to stand by for orders, by decapitation from the Hell Knight.