Watch Nancy Cartwright Speedily Run Through 7 Of Her 'Simpsons' Voices

In the words of her Bart Simpson, “Whoa, mama!”

Watch voice actress Nancy Cartwright perform seven of her characters on “The Simpsons,” including Bart, in less than 40 seconds.

Cartwright recorded the videofor the Creative Arts Emmys in September, but it got a viral boost Wednesday onReddit.

Damn, she’s good at what she does.

This article originally appeared on HuffPost.