There are four known artists with this name: 1) Energetic, positive Straight Edge Hardcore from Seattle.
Champion released two EPs, entitled 'Come Out Swinging' and 'Count Our Numbers' (which were eventually compiled onto one record entitled 'Time Slips Away'), a single full-length album, 'Promises Kept', and a split EP with Betrayed (who featured two members of Champion) before splitting in 2006. Their reasoning for breaking up can be found on their MySpace page.

Read more about Champion on Last.fm.