He is the drunk Scottish Demoman from TF2, and he loves beer. He has a grenade launcher and a sticky bomb launcher too.

You are a convict tasked with taking pictures of specified spots in certain locations using the rustic submarine SM13, and because it was not built for this depth, you were welded inside. You are exploring a strange moon in the universe that contains an anomaly: an ocean of blood. Human blood, and the only way to escape this is to take all of the pictures… and survive.

The heavy is dead, and you, spy, sniper, medic, engineer, and soldier are trying to find out how the heavy died.