Iron Giant

The Iron Giant is massive robotic behemoth, appearing in the 1999 film of the same name.

Design
The Iron Giant is a 50 foot tall humanoid behemoth. The machine is capable of devouring metallic items and converting it into fuel. Its eyes are capable of shooting lasers. In addition its capable of flight. It possesses another form that is armored and bristled with laser weapons, which possibly hints that it was originally a war mech of some kind. The machine has a strong amount of endurance as it was able to survive a nuclear missile at point range, with only it pieces scattered about the planet. The pieces are capable of reorganizing themselves and self-repair.

History
Little is known about where he comes from  and who (or what) build him expect that the Giant's true purpose might to to destroyed every living thing.

But when he was sent to Earth, the Giant crashed into the ocean, damaging its head making it unable to remember what its directives were causing it to aimlessly wander.

During its time in the forests around Rockwell, Maine, the giant busies itself devouring various metallic structures. However during one of its feeding frenzies, it got tangled in electrical wiring, causing it to short-circuit, until the Earth boy Hogarth saved it by shutting the power off.

The giant befriended Hogarth and his friend Dean McCoppin, who taught him the concepts of entertainment and art.