Colbert originally studied to be an actor, but became interested in improvisational theater when he met famed Second City director Del Close while attending Northwestern University. He first performed professionally as an understudy for Steve Carell at Second City Chicago; among his troupe mates were comedians Paul Dinello and Amy Sedaris, with whom he developed the critically-acclaimed sketch comedy series Exit 57. Since October 17, 2005, Colbert has hosted his own television show, The Colbert Report, a Daily Show spin-off which parodies the conventions of television news broadcasting, particularly cable-personality political talk shows like The O'Reilly Factor and Scarborough Country. Colbert hosts the show in-character as a blustery right-wing pundit, generally considered to be an extension of his character on The Daily Show. Conceived by co-creators Stewart, Colbert, and Ben Karlin in part as an opportunity to explore "the character-driven news," the series focuses less on the day-to-day news style of the Daily Show, instead frequently concentrating on the foibles of the host-character himself.
The concept for The Report was first seen in a series of Daily Show segments which advertised the then-fictional series as a joke. It was later developed by Stewart's Busboy Productions and pitched to Comedy Central, which greenlighted the program; Comedy Central had already been searching for a way to extend the successful Daily Show franchise beyond a half hour.[29] The series opened to strong ratings, averaging 1.2 million viewers nightly during its first week on the air. Comedy Central signed a long-term contract for The Colbert Report within its first month on the air, when it immediately established itself among the network's highest-rated shows.
Much of Colbert's personal life is reflected in his character on The Colbert Report. With the extended exposure of the character on the show, he often references his interest in and knowledge of Catholicism, science fiction, and The Lord of the Rings, as well as using