The neutrality of this article is disputed.
Persons famous or notorious for their eccentric habits, appearance, or beliefs.
- David Belasco, writer, producer, wandered New York dressed as the Bishop of Broadway
- Breatharian
- Caligula, insane Roman Emperor
- Hector Camacho world champion boxer
- Alex Chiu, discoverer of immortality rings
- Aleister Crowley, occultist
- Ivor Cutler, Scottish poet, musician and thinker
- Salvador Dali, visionary artist
- John DuPont, murderous wrestling fan
- Elagabalus, dissolute Roman Emperor
- Hermann Göring, jovial buffoon and ice-blooded murderer
- Hetty Green, famed for her stinginess, her estate was more than $100,000,000.
- Naseem Hamed world champion boxer, famous for his ring entrances
- Heinrich Himmler, who tried to apply principles of chicken breeding to the human race
- Farouk, the last King of Egypt and an accomplished pickpocket
- Howard Hughes, recluse, germaphobe
- Jean-Bedel Bokassa, African dictator who crowned himself Emperor in a lavish ceremony
- Michael Jackson very successful pop singer, likes to be like a child and be with children; had many facial operations to enhance beauty
- Alfred Lawson ballplayer, economic theorist, founder of Lawsonomy
- Bernarr McFadden, fanatical fitness proponent
- Patrick Moore, astronomer
- Norton I, self proclaimed "Emperor of America"
- Ol' Dirty Bastard, rapper famous for a series of bizarre public actions and legal trouble
- Archimedes Plutonium "The King of Science"
- Dr William Price, who refused to treat smokers and carried out an impromptu cremation of his baby son
- Prince, American singer, changed his name to an unpronounceable symbol
- William Askew Sothern, famous prankster
- Viv Stanshall, notable English eccentric
- Cyrus Teed, proponent of a Hollow Earth theory
- Nikola Tesla, obsessive-compulsive who feared pearl earrings
- Stanley Unwin, comedian and wordsmith
