Martian Buddy is a fictional corporation prominently featured in the video game Doom 3. To open two of the many storage lockers in Doom 3, the player must enter a special code available at the live URL www.martianbuddy.com. The code is 0508. Their slogan is "The greatest company ever conceived". They claim their business is direct marketing advertisement, but employees of UAC are getting frustrated by the e-mail spam which has been described as "getting out of control". They have an interstellar marketing venture.