Louie Anderson clowns around on FXsBasketsas Christine, a passive-aggressive matriarch devoted to her sons and to Costco.

EW spoke with the 62-year-old comedian about capturing his characters mother nature.

Higher Casting

Anderson credits a bit of divine intervention for landing the role of Zach Galifianakis mother.

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Credit: Ben Cohen/FX

to get herself on screen, he jokes.

And to get her son a job.

Still, thereisa far more grounded reason for his casting.

suggested a voice like Andersons, Galifianakis realized he needed Anderson himself to play the part.

When the pair reached out, Anderson didnt think twice about taking it.

I just thought, What a funny idea!'

[She] had a really subtle pursed-lips thing for everyone she didnt like, he recalls.

Mothers have a lot on their mind and a lot of regret.

So I tried to imagine what my mom felt like.

She has a ton of mean thoughts about people, he says.

They just leak out …

I think she doesnt know how to communicate [her thoughts] the right way.

He even taps into Christines maternal instinct when hes not filming.

No, Anderson sighs.

He laughs more than anything.

Basketsairs Thursdays at 10 p.m. A version of this story appeared inEntertainmeny Weeklyissue #1400/01, on newsstands now