| Thomas Jan Maseryk | |
| Biographical Information | |
| Real Name | Thomas Jan Maseryk |
| Gender | Male |
| Class | Nat |
| Social Information | |
| Citizenship | Citizen of the United States |
| Occupation | Police officer |
| Base of Operations | Fort Freak, New York City |
| Affiliations | New York Police Department |
| Allies | Captain Angela Ellis, Detective Harvey Kant, Sgt. Mole, Chaz |
| Origin | |
| First Appearance | Down and Dirty |
| Creator | Chris Claremont |
Detective, Third Grade, Thomas Jan Maseryk is a fictional character from the Wild Cards series of books.
A "nat" police officer, Maseryk works at the old Bowery 5th Precinct (Fort Freak). He is partnered with one of the city's first joker cops, Harvey Kant, they alternate playing good cop, bad cop with (depending on whether the perp is a nat or a joker.)
Detective Maseryk knew Daniel Brennan (Yeoman) back in Vietnam.