The name points to H. P. Lovecraft's Cthulhu mythos, where the ancient entity is associated with dread, forbidden knowledge and things stirring beneath the surface. Short clips like this one circulate on soundboards as ready-made horror punctuation, rather than as dialogue or music, and creators reuse them because the effect is instantly recognisable even without context. Its brevity is part of the appeal: a two-second crack can reset the mood of a video, signal that something has gone wrong, or turn an ordinary reveal into something ominous.