05/24/2010 07:25 am ET | Updated May 25, 2011

Oprah's Code Name: 'Mary'

Oprah Winfrey employees are loyal — and savvy.

Oprah's "so-called" biographer Kitty Kelley revealed recently that Harpo employees don't use Oprah's real name when discussing her outside the office.

The code name they use instead?


"That way, when they're talking about her, and someone overhears the conversation, no one knows they're referring to Oprah," Kelley said.

Oprah dismissed Kelley's book last month, calling it a "so-called biography" and mocking Kelley's claim that she knew who Oprah's father was.