Rob Blake will always be most associated with the Los Angeles Kings, and he should be, as he played 14 years and won his Norris Trophy there. That being said, Blake played for five seasons with Colorado, and it was there that he earned his lone Stanley Cup.
Gabriel Landeskog remains with the Colorado Avalanche as of this writing and has performed very well for the only NHL team he has ever played for.
The Stastny name is legendary with the Nordiques/Avalanche franchise, and the second generation begins with Paul Stastny.
Semyon Varlamov played eight years for the Colorado Avalanche, and while they did not have a lot of trips to the post-season while he was there, the Russian Goalie certainly was not the issue.