There has been much anticipation of Amy Poehler’s real-life husband Will Arnett guest-starring on her NBC comedy “Parks & Recreation.” Which is great and all, because who doesn’t like Gob?

But with all that love being showered on Arnett, it’s kind of gotten buried that Justin Theroux is also guesting on the episode. Justin Theroux!

Brenda’s neighbor/lover Joe on “Six Feet Under”? The mysterious “Cowboy” in “Romy and Michele’s High School Reunion”? Drew Barrymore’s first love in “Charlie’s Angels: Full Throttle”? The only halfway-watachable person in David Lynch’s “Inland Empire”?

Not ringing any bells? Trust us, he’s awesome. And multi-talented. In addition to his acting credits, he also wrote “Tropic Thunder” and the upcoming “Iron Man 2.”

Fine. Just wait until Jan. 14 and see for yourself.

Until then, here’s a couple of more clips featuring Poehler and Arnett, since that’s who you came to see: 

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