description iO Theater Overview
The iO Theater is an improvisational comedy theater and training center founded in Chicago in 1981 by Del Close and Charna Halpern. It is associated with the development of long-form improvisation, particularly the format known as the Harold, and has trained many performers associated with Chicago and national comedy.
help iO Theater FAQ
Who founded the iO Theater in Chicago?
The iO Theater was founded in Chicago in 1981 by Del Close and Charna Halpern. It was established as a dedicated space to develop and perform long-form improvisational comedy.
What improvisational format is the iO Theater most famous for?
The theater is most closely associated with the development and popularization of the Harold. This long-form format, championed by Del Close, involves a single suggestion inspiring a 30-minute interconnected performance.
Where was the iO Theater located before it closed?
The theater moved to a famous location in Chicago's Wrigleyville neighborhood for many years before relocating. It was a massive training ground for comedians before closing its physical doors in 2023.
What famous performers trained at the iO Theater?
iO has been a major pipeline for comedic talent, particularly for shows like Saturday Night Live. Alumni include highly recognizable names such as Tina Fey, Amy Poehler, and Mike Myers.
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