Jack- Target Dummy Splicer

She suddenly dropped down, landing catlike, and spun to face him. “Puppet cop, cop it, pup! That’s you!” She made a gesture, and suddenly a second splicer appeared, almost her twin, in front of her and to one side. Sullivan fired convulsively—and the bullet simply passed through the flickering image.

  A third plasmid. “Target dummy.”

- Bioshock: Rapture, chapter 17