Wormwood

Wormwood is a biblical name of a star that will come to Earth when the Apocalypse has begun. Dean figures out that Wormwood is actually War, the Red Horseman. This name was mentioned in 5.02 Good God Y'All.

• The term Wormwood was first mentioned by Dean Winchester in 2.13 Houses of the Holy. However, he used this term in a different way. He used this term in reference to a type of wood called wormwood. (not to be mistaken for War, the Red Horseman)
• The Book of Revelations foretold the arrival of Wormwood. ^{5.02 Good God Y'All}

See War for More Direct Info

Wormwood facts

• The name wormwood did actually appear in The Bible as a word of uncertain origin (Greek: apsinthos) which symbolizes a sort of bitterness, or figurative calamity.