: They are alleged to be government agents or even aliens in disguise who harass, threaten, or "neuralyze" witnesses to suppress the truth about ETs. Famous Quotes & Details

: The first major report came in 1947 from Harold Dahl, who claimed a man in a dark suit warned him not to speak of his UFO sighting.

: A popular animated show followed the films, depicting more standalone missions for Agents J and K while expanding the MIB lore.

: "People are dumb, panicky dangerous animals and you know it. ... Fifteen minutes ago, you knew that humans were alone on this planet. Imagine what you'll know tomorrow." — Agent K.

: The 1997 film's title song, performed by Will Smith, was a global hit and helped solidify his status as a leading Hollywood star. Are you interested in where to stream the movies, or Men in Black (film)

The concept originates from real-world reports of mysterious figures appearing after UFO sightings.