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 on Last.fm