- "Trained in Jungle Warfare and anti-narco operations, Vargas joined the M-19 guerilla group to fight against a government he considered corrupt and the cartels he believed to be pulling their strings."
- — In-game biography
Sebastian Vargas is a Mil-Sim operator for the Warsaw Pact faction featured in Call of Duty: Black Ops Cold War. He is unlocked by default, and is playable in Multiplayer and Zombies modes within Call of Duty: Black Ops Cold War, as well as in Call of Duty: Warzone. 
|Name||Rarity||Image||How to obtain|
|Mercenary||Base||Unlocked by default|
|Scout||Rare||Battle Pass Season Five Tier 80|
|Tree Moss||Rare||Operator Mission|
|Cutthroat||Rare||Battle Pass Season Four Tier 60|
|Jungle Cover||Rare||Operator Mission|
|Powder Plaid||Rare||Operator Mission|
|Water Guide||Rare||Operator Mission|
|Stronghold||Rare||Battle Pass Season Three Tier 50|
|Guerrilla||Rare||Battle Pass Season Two Tier 80|
|In The Dark||Epic||Bundle Call Of Duty Black Ops Cold War Combat Pack Season Five|
|Lap Leader||Epic||Bundle Full Stop|
- Vargas's blood type is O-.
- In the alpha, Vargas was clean-shaven, but in the full version of the game Vargas has a mustache.