The G-Man, Sven Co-opedia Wiki

The G-Man is a mysterious character that is seen throughout the Half-Life campaigns, wearing the same blue business suit and carrying a briefcase, of which its contents are unknown. He watches players as they progress through the levels, but the exact reasons why continue to remain an enigma. However, one thing is for certain: the player's mission is all according to his master plan, whatever it may be, and thus employs the player should they succeed.

This is Björn Jonsson, who invented the modern ventilator for

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