Merrick from Call Of Duty: Ghosts for Grand Theft Auto IV. By default it replaces Tuna, but you can replace it with any other, just rename the name of the files in the Merrick folder (GTA4 PED) to the name of any ped.
Installation:
Using Spark IV or Open IV, import files from the Merrick folder (GTA4 PED) to componentpeds.img, along the path pc/models/cdimages