Michael Scott (The Office)

Michael Gary Scott is a fictional character on NBC's "The Office" played by Steve Carell. He is based on David Brent from the British version of the program. 
Michael is the main character of the series being the Regional Manager of the Scranton branch of a paper distribution company Dunder Mifflin Inc. from seasons 1 through 7. 
He leaves Dunder Mifflin temporarily to form the Michael Scott Paper Company with Pam and Ryan toward the end of the 5th season and shares a co-managerial position with Jim Halpert during a 6th season arc from "The Meeting" to "The Manager and the Salesman". 
In the end of the 7th season, he proposes to HR representative Holly Flax and moves to Colorado to take care of her aging parents, leaving the manager position to Deangelo Vickers in "Goodbye, Michael", to Andy Bernard in season 8 after Vickers becomes brain dead, and to Dwight Schrute in season 9.