Characters whose mere mention of their name makes everyone shit themselves

Adam Smasher (Cyberpunk Franchise) - A.K.A, "The Boogeyman of Night City". A full borg solo who (adam) smashes anyone presented to him.

Voldemort (Harry Potter) - A.K.A, "He Who Must Not Be Named". A dark wizard of immense power who seeks immortality and blood-purity above all else.

Kazama Kiryu (Yakuza Franchise) - A.K.A "The Dragon of Dojima". A legend on the street and prominent yakuza figure.