For an 80-year-old, this one's still going strong: shooting lasers out of its eyes, adventuring through space, saving the world in a metal suit.
But this pensioner is Marvel Comics, which is celebrating its anniversary this week, and much like Captain America - who fought in World War 2 - it doesn't age like the rest of us.
Marvel published its first ever comic book in 1939 and today, it's one of the biggest names in entertainment.
Recent movies like Captain Marvel and Avengers: Endgame made more than a billion dollars each at the global box office.
