Officer Johnson is a police officer in Park County Police Station.
Officer Johnson wears the standard police uniform. He has grey hair and mustache.
- "The China Probrem" - Led a team of police officers in a hostage situation at P.F. Chang's.
- "You're Getting Old" - Seen arresting two old farmers who stole Randy Marsh's underwear.
- "The Poor Kid" - Escorted the McCormick children to the Weatherhead Residence.
- "Reverse Cowgirl" - Seen stationed outside Clyde's house after Betsy Donovan fell into a toilet.
- "Obama Wins!" - Visited Cartman's house along with Kyle, asking Cartman about the missing election ballots. Later at the Stevenson's Hummer where the ballots were found, he decided not to declare the elections found over the radio. He was then addressed as "Barkley".
- "The Coon" - Seen watching Professor Chaos and Mysterion fight each other.
- "You're Not Yelping" - Seen with Harrison Yates who was reviewing Red Lobster via Yelp overnight.
- "Naughty Ninjas" - Seen in a protest outside the police station.
- "The Damned" - Questioned Kyle on Cartman's sudden disappearance from Twitter.
- "Not Funny"
- "Franchise Prequel" - Stationed on the west side of town to prevent Mark Zuckerberg from entering.
- "Tegridy Farms Halloween Special" - Comes, along with another police officer, to Butters' house to speak with him about the mummy. He is later seen with the other police officers at the farm, after an emergency call from Randy.
- "The Pandemic Special" - Served as Yates' teaching assistant. His full name was revealed to be "Mitch Johnson".
Officer Johnson is one of several police officers that are fought during The Thin White Line mission. Outside the police station, Officer Johnson was seen snorting cocaine. In combat he is named a "Police Sniper".
- Taser - Fires a taser gun. Inflicts Shocked status.
- Pepper Spray - Delivers a dose of pepper spray. Inflicts Grossed Out status.