What is the nickname of the detective played by Dominic West?

The nickname of the detective played by Dominic West is Jimmy McNulty.

In HBO’s The Wire, West portrays Detective James “Jimmy” McNulty, a Baltimore Police Department homicide detective. McNulty is one of the show’s central characters, known for his sharp investigative instincts, defiance of police command, heavy drinking, and personal turmoil.

The other options are also detectives from The Wire, but they are different characters: Lester Freamon is played by Clarke Peters, Kima Greggs by Sonja Sohn, and Bunk Moreland by Wendell Pierce. The character’s full name is James McNulty; “Jimmy” is his familiar nickname.