- "Reluctantly following in his father's footsteps, Baker enlisted and qualified as a Navy SEAL. He saw action in Operation Condor as a Scout Sniper. His temper never bothered Adler, who recruited him to help hunt down Perseus."
- — In-game biography
John Baker is an operator for the NATO faction featured in Call of Duty: Black Ops Cold War. He is playable in Multiplayer and Zombies modes within Call of Duty: Black Ops Cold War, as well as in Call of Duty: Warzone upon purchase of Call of Duty: Black Ops Cold War. 
Born in 1950, John Baker enlisted in the United States Navy in 1971 before qualifying for the SEAL program. Although enlisting and following his father's footstep wasn't his first choice, Baker thrived in the service and served two tour in Vietnam as a Scout Sniper.
After Vietnam, Baker took part in Operation Condor and was deployed in Argentina, Chile, Uruguay, Paraguay and Bolivia. During this time, he met Russell Adler who hand-picked Baker for the hunt of the rogue Soviet operative codenamed "Perseus".
|Name||Rarity||Image||How to obtain|
|Portside||Base||In Multiplayer, get 100 eliminations with Sniper Rifles|
|Slugger||Rare||Totino's Exclusive Content (US only)|
|Flight Jacket||Rare||Battle Pass Season One Tier 80|
|Roughneck||Rare||Battle Pass Season Four Tier 10|
|Scuba Diver||Rare||Battle Pass Season Five Tier 50|
|Sand Dab||Rare||Operator Mission|
|Extraction||Rare||Battle Pass Season Six Tier 70|
|Wet Work||Rare||Operator Mission|
|Brushfire||Epic||Battle Pass Season Two Tier 60|
|Flannel Nights||Epic||Operator Mission|
|Safari Sniper||Epic||Operator Mission|
|Breaker||Epic||Bundle Carnival Captain|
|Cobra Hunter||Epic||Bundle Deadly Hunter|
|Endurance||Epic||Bundle Call Of Duty Black Ops Cold War Combat Pack Season Two|
|Financier||Epic||Bundle Bank Heist II|
|Grasslands||Epic||To Be Determined|
|Opticks||Epic||Bundle Thermal Tracker|
|Quickscope||Epic||To Be Determined|
|Ring Leader||Epic||Bundle Proper Bully|
|Stranded||Epic||Bundle Dark & Stormy|
|Clown||Legendary||Bundle Big Joke|
|Deep Dive||Legendary||Bundle Land, Sea and Air Pack|
|Frank the Rabbit||Legendary||Bundle Tracer Pack: Donnie Darko|
|Last One Standing||Legendary||Bundle Beyond the Grave|
|Motocross||Legendary||Tracer Pack: Motocross Bundle|
|Stunt Double||Legendary||Tracer Pack: Motocross Bundle|
|Nosedive||Legendary||Bundle Land, Sea and Air Pack|
|Shrub||Legendary||Bundle Quickscope Sniper|
|US Tanker||Legendary||Bundle Land, Sea and Air Pack|
- Baker's blood type is O+.
- The design of Baker's "Clown" skin is a reference to the Joker's thugs in the film The Dark Knight.
- In Call of Duty: Warzone, the skin is slightly different, with the color of the hair and eyes of the mask changed to blue, and the nose changed to red.