"We talked about pretty much every possible iteration of who she is and what her backstory is and all we knew is that we didn't want to do the same thing we did with Tammy 2," Mike Schur, 'Parks and Recreation,' executive producer said told TV Guide. "Tammy 1 is her own specific brand of demon. I think we came up with backstory for her that's both funny and illuminating and also answers all of the questions that you would have when seeing people's reactions to her presence in the finale."
Viewers got a glimpse of Tammy 1 from behind during the Season 3 finale. Just that brief sight was enough to send Tammy 2 running.
Earlier this summer, Offerman tried to get a campaign off the ground to get Oprah to play his character's feared ex-wife.
"We're trying to start a campaign to get Oprah to play Tammy 1," Offerman told The Huffington Post. "I think Oprah would be the only, she's the only person we can think of that might be intimidating to Megan Mullally. It would be so good."
The last time Clarkson had a recurring role on a TV series was on Kelsey Grammer's 'Frasier.' And let's not forget her hilarious turn as a 'Motherlover' on 'SNL' last year. Look for her to appear in at least two episodes of Season 4.
Tell us: What do you think of Patricia Clarkson playing Tammy 1?
'Parks and Recreation' returns to NBC on Thurs., Sept. 22 at 8:30PM