Dracula
来自Big Physics
wiktionary
From the name Vlad III Dracula (also known as Vlad Țepeș), from the name of his father Vlad II Dracul, who was given the name Dracul by the Order of the Dragon. Dracul comes from the Romanian drac(“dragon, devil”), itself deriving from the Latin draco(“dragon”).
etymonline
Dracula (n.)
name of the vampire king in Bram Stoker's novel (1897). It was a surname of Prince Vlad II of Wallachia (d. 1476), and means in Romanian "son of Dracul," literally "the dragon" (see dragon), from the name and emblem taken by Vlad's father, also named Vlad, c. 1431 when he joined the Order of the Dragon, founded 1418 by Sigismund the Glorious of Hungary to defend the Christian religion from the Turks and crush heretics and schismatics.