Geek Doppelgangers: Separated at Birth?

Tech titans are often one-of-a-kind characters. But some Silicon Valley kingpins have virtual twins lurking in Hollywood and Washington, D.C. Who might play Marc Benioff or Carly Fiorina? Here's a look.

Billionaire Oracle CEO = Tinseltown Producer

Larry Ellison and .... Hollywood producer Jerry Bruckheimer.

Generation X Entrepreneur = 'Scrubs' Star

Sergey Brin, co-founder of Google and .... actor Zach Braff, star of NBC comedy "Scrubs".

Microsoft Co-Founder = The Woodman

Bill Gates and .... writer-director-actor Woody Allen.

Apple Chief = DreamWorks Honcho

Apple CEO and master tech innovator Steve Jobs and .... two-time Oscar winner and master film director Steven Speilberg.

MS Man = Raymond's Dad

Bald, tough guy CEO Steve Ballmer of Microsoft and .... bald tough guy character actor Peter Boyle.

Google Geek = Rock God

Mop topped, bushy eye-browed Google co-founder Larry Page and .... mop topped, bushy eye-browed Oasis guitarist Noel Gallagher.

Yahoo CEO = Secretary of State

Fearless woman thriving in a male dominated industry: Yahoo CEO Carol Bartz and .... fearless woman thriving in a male dominated industry: Secretary of State Hillary Clinton.

Facebook 'Kid' = 'Superbad' Boy

Precocious entrepreneur and Facebook CEO Mark Zuckerberg and .... precocious actor and "Superbad" star Michael Cera.

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Carly (Not Simon) = Divine Miss M

Carly Fiorina, former Hewlett-Packard CEO and self-assured woman who once wielded great power, and .... Bette Midler, a self-assured woman who still sings with great power.

Also see: Techies Turned Politicians

'Sales' Man = 'Enthusiasm' Actor founder Marc Benioff, who's been known to talk a lot, and .... actor Jeff Garlin, who has to listen to Larry David talk a lot on "Curb Your Enthusiasm."