A Big Daddy is a fictional character in the BioShock series of video games. Big Daddies are heavily spliced (genetically engineered and altered with ADAM) human beings who have had their bodies directly grafted into heavily armored, steampunk-inspired atmospheric diving suits. They are armed with a rivet gun, heavy drill, rocket launcher, or ion laser. Alpha series Big Daddies are equipped with any of several other weapons as well. Though they make low-pitched groaning noises similar to whales, their vocalizations were performed by voice actor Stephen Stanton. Designed by Irrational Games (then under the supervision of 2K Boston/2K Australia), they first appeared in BioShock and were promoted heavily. A six-inch Big Daddy action figure was included in the limited edition version of the tit