You're describing the most mysterious and most powerful superhero in the world, on a documentary television show.

“We don’t know how long he had been there.  Suspended in the air above the Atlantic Ocean.  On May twentieth, 1982, an ocean liner was crossing from Plymouth to Boston when a passenger spotted him.  He was naked, his arms to his sides, his long hair blowing in the wind as he stood in the sky, nearly a hundred feet above the gently cresting waves.  His skin and hair can only be described as a burnished gold.  With neither body hair nor clothes to cover him, it is said, he seemed almost artificial.

“The golden man would reappear several more times in the coming months and years.  At some point, he donned clothing.  At first, a sheet worn over one shoulder and pinned at either side of the waist, then more conventional clothes.  In 1999, he donned the white bodysuit he still wears today.  For more than a decade, we have wondered, where did our golden man get these things?  Who was he in contact with?

“Periodically at first, then with an increasing frequency, the golden man started to intervene in times of crisis.  For events as small as a car accident, as great as natural disasters, he has arrived and used his abilities to save us.  A flash of light to freeze water reinforcing a levee stressed by a hurricane.  A terrorist act averted.  A serial murderer caught.  A volcano quelled.  Miracles, it was said. (1.5)