These omissions are so great that the article's factual accuracy has been compromised. Check out the discussion page and revision history for further clues about what needs to be updated in this article.
He smoked and died from a heart attack in 1997, but according to Jackie in 2007, came back as a friendly ghost. This ghost was actually a Cyberman that was passing through the Void to reach N-Space. (TV: Army of Ghosts)