He created the Doom logo and the package art for Doom. Gamespy named it the 2nd best game box art of all time. Don suffered a cardiac arrest on October 11 and died 11 days later in a hospital on October 22.
Final Doom wrote:Remember to tell your grandkids to put a rocket launcher in your coffin. If you go to Hell when you die, you’ll need it for some final cleaning-up...