12/03/2012 02:57 EST | Updated 02/02/2013 05:12 EST

Who were the top Political Game Changers of 2012?

CBC News Network's Power & Politics is compiling the top Political Game Changers of 2012 — and we want to hear from you.

Who made the biggest difference on the political scene this year? Who had the most profound impact on the direction of the country? Who was the biggest surprise or became one of the big players?

Let us know who you would nominate as a Political Game Changer:

- Email us at politics@cbc.ca.

- Send your picks on Twitter to @PnP_CBC.

- Discuss your choice on our Power & Politics Facebook page.

- Or submit a comment below.

Then tune in to Power & Politics starting Dec. 17 to meet this year's Political Game Changers.