You immediately think I'd be talking about Michael Scott right?
Nope - according to the Boston Herald, it's Jan Levinson!
That's right, Jan (played by Melora Hardin) is in the article!
"When it comes to bad bosses, the impish attitude of Dunder-Mifflin regional manager Michael Scott of “The Office” fame can’t compare to his over-sexed, now ex-boss Jan Levinson, according to MSN.com."
Read it HERE.