Mark is a resident of South Park, who usually appears as a background character. For now Mark's most notable appearances were in the game "South Park: The Stick of Truth" and the Season 19 episode "You're Not Yelping".
Mark wears a dark orange shirt under a dark blue jacket, dark blue pants and black shoes. He has dark brown hair and thick eyebrows. Mark has no other distinguishable characteristics.
- Although Mark was killed in South Park: The Stick of Truth, he still appears as a background character in the episodes.
- During the development of South Park: The Stick of Truth, Mark and his wife were supposed to have unique character models, but later their models were changed to generic background characters. The friend icon of the original models of Mark and his wife can be found in the game files.
- "The China Probrem" - He gets shot from Butters.
- "About Last Night..." - Seen with his wife when celebrating Barack Obama's win at the Marsh Residence.
- "Elementary School Musical" - Seen in the school gym with his wife.
- "Butters' Bottom Bitch" - Seen as one of the members of Alpha Tau Omega.
- "You're Getting Old" - Seen in the movie theater with his wife.
- "Broadway Bro Down" - Seen at Hooters.
- "Jewpacabra" - Seen with his wife.
- "City Sushi" - Butters tries to ask him and his wife for help.
- "You're Not Yelping" - He and his wife are seen as Yelpers.
- "Dead Kids"
- "Bike Parade" - Seen watching the bike race with his wife.
- "Turd Burglars" - Seen at the restaurant with his wife.
- "Christmas Snow" - Seen among happy citizens at the end of the episode.
When the Government Agents announce they're building a Taco Bell in the town, Mark questions what kind of Taco Bell it will be, and is shot in the head in retaliation, unnoticed by the townsfolk. His wife questions what's happened and why he's not responding.
He is attacked by the PC Principal for saying that his friend was looking tired, his friend is also attacked for saying that he was really tired. He is later seen in the news with his wife.