Ana Gasteyer Ana Gasteyer

Suburgatory's Ana Gasteyer is becoming a series regular on the ABC sitcom, Entertainment Weekly reports.

Gasteyer plays Sheila Shay, the on-again-off-again PTA president and über-controlling mother of Lisa (Allie Grant), and neighbor to George (Jeremy Sisto) and Tessa (Jane Levy). Gasteyer describes her character as a "well-intended nightmare."

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After receiving the news about her promotion, Gasteyer said, "I screamed and jumped for joy and then went right to the table read."Known for her stint on Saturday Night Live, Gasteyer memorably appeared on Curb Your Enthusiasm this year.Suburgatory — recently picked up for a full season — airs Wednesdays at 8:30/7:30c on ABC.