Talos, also known as T.A.L.O.S. or T-A.L.O.S. is a fictional monster from the Resident Evil series of survival horror games. In the games Talos is portrayed as the ultimate bio-organic weapon, bio-engineered by the Umbrella Corporation. The “T” stands for Tyrant, and the rest of stands for Armored Lethal Organic System. Like the Nemesis and most other specialized Tyrants that appear in the series, Talos' name seems to be inspired from Greek mythology. Talos served as the last boss of the main chapters in Resident Evil: The Umbrella Chronicles.