Alex and Dana Mercer
from the game "Prototype"
The Mercer Hotel
a luxury hotel in New York City
The Mercer Brothers: Bobby
Jeremiah, Angel, and Jack, adopted sons of Evelyn Mercer in the movie "Four Brothers"
Mercer Frey
character in the video game "The Elder Scrolls V: Skyrim"
Sam Mercer
character in "The Year of the Rat"
Mercer Hayes
character on TV's "Veronica Mars"
Mercer Street
Manhattan, New York