"You're who choose to be." - Iron Giant remembers that phrase from Hogarth while preparing to sacrifice himself.
Iron Giant's a 50-ft. autonomous Robot from other world that crash lands on Earth before becoming friends with a young boy named Hogarth who rescues him from his own internal defensive mechanism in the Warner Bros. 1999 animated science fiction film of the same name, voiced by Vin Diesel. The Iron Giant is loosely based on the title character of Iron Man, a novel by Ted Hughes in '68.