In Harry Potter most of the people are afraid to say Voldermort's name and they use the alias you-know-who.

I'm looking for other characters whose names are even feared by the public in fantasy stories. A candidate that is feared that much by the common folk could be Sauron, but his name is spoken many times in LoTR without any fear.

This looks like a list question but I'm not looking for a complete link, just examples.

  • I'm also interested in real world examples of this, but that might be out of topic for this site, thus you don't have to include them in answers.

closed as too broad by ApproachingDarknessFish, Edlothiad, Bellatrix, Aegon, Cherubel Aug 27 '18 at 6:13

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • @user14111 - also a number of supernatural creatures, fey, spirits, and so on. A number of generic names for faeries (good neighbors, little people, etc) come from not wanting to name their kind directly lest one draws their attention. – Megha Aug 27 '18 at 6:15
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    In Rider Haggard's novel "She", the immortal Ayesha is generally referred to as "She who must be obeyed" or simply "She", since using her real name may attract her attention - and you wouldn't want that, – Klaus Æ. Mogensen Aug 27 '18 at 7:21
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    TVTropes has your lists. Even multiple lists depending on what you want. tvtropes.org/pmwiki/pmwiki.php/Main/BeCarefulWhatYouSay tvtropes.org/pmwiki/pmwiki.php/Main/SpeakOfTheDevil – Zoredache Aug 27 '18 at 22:40
  • @Zoredache “speak of the devil” is what I was looking for. Could be the accepted answer if the question was not put on hold. :( – atayenel Aug 28 '18 at 9:18