Big Daddy (character in BioShock)

Big Daddy is a formidable, heavily armored character in the video game BioShock, serving as both protector and obstacle within the underwater city of Rapture. Each Big Daddy is a genetically modified, bulked-up human, typically bonded to a young girl called a Little Sister. Their role is to guard the Little Sisters as they harvest a valuable substance called ADAM. Despite their intimidating appearance and aggressive behavior, Big Daddies are programmable and follow strict protocols. They symbolize both the dangers and ethical complexities of Rapture's experimental society, embodying themes of sacrifice, protection, and the consequences of unchecked scientific hubris.