Catherine Simone Avnet Lazarus (April 26, 1976 – December 13, 2020) was an American writer, comedian, and talk show host.

[11] She performed storytelling at The Moth, The Rejection Show at The Bell House, on Risk!, at Story Collider, and the Upright Citizens Brigade Theater's Asscat.

"We get a peek into the devilishly candid and inventive mind of the young performer with her first original series, The on Time Show with Petunia Van De Twirp.

[23] Lazarus hosted live tapings at Upright Citizens Brigade in New York and Los Angeles, 92 Y,[24] The Bell House, and Joe's Pub.

Lazarus interviewed numerous comedians, musicians, journalists, filmmakers, entrepreneurs, and social activists, including Gloria Steinem, Rosie Perez, Wallace Shawn, Martha Plimpton, Dick Cavett and Lewis Black.

[27] She was a descendant of the Lazarus family, who built the first major department store chain and persuaded President Franklin D. Roosevelt to change the date of Thanksgiving.