'Always Sunny' back with baby daddy mystery on FX

[September 17, 2010]  LOS ANGELES (AP) -- Kaitlin Olson was glad when her real-life pregnancy became part of the story last season on "It's Always Sunny in Philadelphia" so she could stop hiding it. But she's keeping the secret of her character's baby daddy.

"I can't tell you. People are trying to get it out of me," Olson said.

Fans of the FX sitcom will have to wait to discover who got her character, Dee, pregnant as the sixth season starts Thursday at 10 p.m. EDT.

Off-screen, Olson is playing mom to Axel Lee McElhenney, born Sept. 1 to her and husband Rob McElhenney, who created and also stars on "It's Always Sunny in Philadelphia."

The acidic comedy about four friends who run an Irish pub in Philadelphia also stars Charlie Day and Glenn Howerton, who are executive producers along with McElhenney, and Danny DeVito.

Axel is showing his comedy pedigree, Olson said: "He's hilarious already. He's making all kinds of jokes on the inside."

That doesn't mean he's ready for his close-up, according to his dad.

"Axel will make his debut in show business the day he graduates from college and he can make his own decisions," McElhenney told a teleconference. "Up to that, the boy will not be anywhere near, in front of or behind a camera. The only time he'll be behind a camera is when he's with me."

That said, the baby already can claim a credit of sorts.

"As soon as he's old enough, he can watch the season I was carrying him around," Olson said.

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Online:

http://www.fxnetworks.com/

[Associated Press; By LYNN ELBER]

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