She plays Deandra "Sweet Dee" Reynolds, blue babe Friday to the barfly doofuses of It's Consistently Sunny in Philadelphia.

Where you've apparent her afore Most recently, as Amy Adams' sister in Leap Year. Afore that, the Groundlings alum dead it as Cheryl Hines' sister on Curb Your Enthusiasm and as the passive-aggressive, one-armed acquaintance on The Riches. "I admired that character," says Olson. "She was absolutely weird."

Why we adulation her Imagine Carol Burnett beyond with Tina Fey and vodka. For six seasons, Olson has added than captivated her own with the Sunny boys' club while giving us the sexiest, funniest gal pal back Seinfeld's Elaine Benes.

It's consistently buck Olson's real-life abundance — she and bedmate (and costar) Rob McElhenney had a babyish boy this summer — will be milked for above action this season, starting with tonight's Halloween whodunit adventure all about the bun in Sweet Dee's oven. Filming in the ancestors way meant abbreviating the concrete comedy: "I couldn't ram my arch into any car doors this season," says Olson, "which was a huge disappointment for me personally."