The body is built of pieces from the Lego Exo-Force flying mecha sets, and the arms use ball joints and are movable. For the the builder used a "Big ball" or "Tectonic ball" piece, which is held onto the body with the bricks and tubes around it. The Big Daddy's hand drill is a piece of the classic Rock Raiders sets from the late 1990s.
I'd love to see some officially licensed Bioshock sets if I didn't already know LEGO would reject them for "Not meeting our target demographic." Please, if you think 10-year olds aren't playing scary video games and don't want LEGO sets of them, well, you're seriously underestimating my power to think like a child. Boogers are salty, girls are grody!
Hit the jump for a bunch more from all angles and a few bonus shots of his Samus Aran Power Suit build.
Thanks to cruz, who still has nightmares about spider splicers. You too?