Rock musician Melissa Auf der Maur played with Hole from 1994 to 1999, and Smashing Pumpkins until 2000. This past summer, she released her new solo album Auf Der Maur. She'll be taking the microphone in favour of her Greatest Canadian.

Canadian author, professor and historian Charlotte Gray uses her expertise at making history exciting to present an enthusiastic case for her Greatest Canadian. Her latest book, The Museum Called Canada, just hit bookstores in October 2004.

A Politician, motorcycle enthusiast and former Reform Party MP Deborah Grey uses her persuasive debating skills of behalf of her Greatest Canadian. In October 2004, Grey released her memoirs, entitled Never Retreat, Never Explain, Never Apologize.

One of Canada's best-known actors, from stage (The Deer and the Antelope) to television (Due South) to movies (Men With Brooms). Paul Gross is ready to take centre stage for his Greatest Canadian.

Wrestling legend Bret "The Hitman" Hart steps into a new ring to take on the nine other Advocates on behalf of his Greatest Canadian. Hart has won five WWF world titles and two WCW U.S. titles in wrestling.

Actor, musician, writer, director and broadcaster, Sook-Yin Lee works in all areas of the media including her role as host and producer of Definitely Not the Opera (DNTO) on CBC Radio One and as film-maker of the short film Girl Cleans Sink (2004).

Accomplished broadcaster, teacher and writer, Rex Murphy is the regular host of CBC Radio's Cross Country Checkup, commentator in his weekly "Point of View" segment on The National, and eloquent advocate for his Greatest Canadian.

Solomon's experience as a journalist, editor, author and anchor proves valuable as he makes the case for his Greatest Canadian. He is the co-host of CBC News: Sunday, and host of CBC Newsworld's Hot Type.

Pop culture guru George Stroumboulopoulos is producer and host of The Punk Show, and host of The NewMusic, LOUD and MuchNews, all on MuchMusic - and passionate advocate for his Greatest Canadian.

Former "Warrior Princess" of This Hour Has 22 Minutes, Walsh has been busy co-writing and starring in a one-hour comedy pilot entitled Hatching, Matching and Dispatching, as well as hosting her literary talk show series on CBC, Mary Walsh: Open Book. Now, she's sharpening her wit to fight for her Greatest Canadian.