Who is Mr. House and why could the New Vegas character be the key to Fallout season 2?

Mr. House is played in Fallout season 2 by Justin Theroux, who you might know best for his work on HBO series The Leftovers.
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Crime Boss: Rockay City Announced With Cast Including Chuck Norris, Danny Trejo, and Vanilla Ice

Crime Boss: Rockay City Announced With Cast Including Chuck Norris, Danny Trejo, and Vanilla Ice Publisher 505 Games has unveiled Crime Boss: Rockay City at The Game Awards, an upcoming stealth action ...