[This story contains spoilers from Fallout season two, episode five, “The Wrangler.”]After several quiet episodes in the Justin Theroux department, Fallout fans finally heard the words they were waiting for: “Mister House would like to see you.” The Leftovers star is the man of the hour this week on Fallout, appearing in Amazon Studios’ video game adaptation as one of the franchise’s most notable players, Robert House. In a setting where so much is unknown (How did the apocalypse come about? Who ended the world? And, why are they called Deathclaws?), House has all the answers. A mathematician and roboticist who claims “knowing everything” as his primary talent, Theroux’s character is the most enigmatic figure in the show up until now, all the more intriguing after his long-awaited face-to-face with Walton Goggins‘ Cooper Howard. Following a clandestine conversation in the bathroom at a veteran event some episodes earlier, Howard and House finally see each other for who they are in episode five, which was largely set in Las Vegas and future counterpart, New Vegas. Flashbacks bring Cooper to the City of …