Sure, here are 20 famous or infamous hedonists:
1. Hugh Hefner - founder of Playboy magazine and known for his lavish lifestyle and numerous romantic relationships
2. Caligula - Roman emperor known for his excesses and cruelty
3. Marquis de Sade - French aristocrat and writer known for his erotic and often violent works
4. Aleister Crowley - British occultist and writer known for his hedonistic lifestyle and beliefs in magic and the occult
5. Oscar Wilde - Irish writer and poet known for his wit, aestheticism, and hedonistic lifestyle
6. Errol Flynn - Australian actor known for his swashbuckling roles and off-screen partying
7. Jim Morrison - American musician and frontman for The Doors known for his wild lifestyle and poetic lyrics
8. Keith Richards - British musician and guitarist for The Rolling Stones known for his drug use and rock and roll lifestyle
9. Hunter S. Thompson - American journalist and writer known for his drug use and gonzo journalism style
10. Howard Hughes - American businessman and aviator known for his eccentricities and lavish lifestyle
11. Paris Hilton - American socialite and reality TV star known for her partying and extravagant lifestyle
12. Charlie Sheen - American actor known for his partying and drug use
13. Kim Kardashian - American socialite and reality TV star known for her lavish lifestyle and self-promotion
14. Prince - American musician known for his flamboyant style and sexually charged lyrics
15. David Bowie - British musician and actor known for his androgynous style and experimental music
16. Truman Capote - American writer known for his wit, socialite lifestyle, and controversial works
17. Andy Warhol - American artist and filmmaker known for his avant-garde works and hedonistic lifestyle
18. Jeffrey Epstein - American financier and convicted sex offender known for his lavish lifestyle and connections to powerful people
19. John Belushi - American actor and comedian known for his drug use and wild lifestyle
20. Pablo Picasso - Spanish artist known for his prolific output and numerous romantic relationships
It's worth noting that while these individuals are known for their hedonistic lifestyles, they are not necessarily meant to be seen as role models or examples to follow.