"You'd be amazed at how Charisma can make you forgive somebody even though they're a completely unredeemable piece of garbage. Charismatic People, they're normally scumbags...It's why they develop the skill, to hide scumbaggery."
― Jack O'Lantern to Flash Thompson (Marvel Comics)
"CHARISMA!! The sheer emotive power that drives a man to follow Hitler, put his faith in a corrupt cult, or swear his loyalty to DIO!!"
― Joseph Joestar (JoJo's Bizarre Adventure Part III Stardust Crusaders)
"Damn my charisma!!"
― Negi Springfield (Negima)
"He drove them out, and invited us in... (...) I was NOT, afraid."
― Jakob/Cult Leader to Dusk Dude, about how he came in contact with Nyarlathotep. (New Blood Interactive's DUSK)
Users possess immense charisma that transcends mortal limitations, allowing them to sway virtually anyone as well as entire communities to their cause and service with barely any effort, captivated by their almost irresistible personal gravity and an overriding desire to be part of their world and contribute to its fulfillment.
The power applies equally to virtually any sentient species, including supernatural ones, and may even inspire loyalty in entities that are normally incapable of it. While the power cannot directly override others' will and values, their persuasive abilities are so powerful they may convince them of anything remotely believable.
GranDracmon (Digimon) has such immense charm, it can convince even high-ranking angel Digimon to fall.
DIO Brando (JoJo's Bizarre Adventure) has charisma so unnatural and so powerful that he can gain allies from all walks of life who see him as a god, a feeling that's been describe as terrifyingly calm and peaceful.
Lucifer Morningstar (Lucifer) is able to draw out the carnal fascination in others - women in particular - and is able to cause them to confess their deepest desires and virtually anything else.
Leicester's charisma (Blessing of the Campanella) is so overpowering that he is able to charm and incite/inspire loyalty in anyone/anything, including people, inanimate objects, spiritual beings, machines, and even the essence of magic.
Tao (Image/Wildstorm Comics)
Medaka Kurokami (Medaka Box)
Monkey D. Luffy (One Piece) was already charismatic enough, but enhanced by the true powers of the Hito Hito no Mi, Model: Nika, he becomes a Warrior of Liberation that brings joy to all those who hears his heartbeat.
Ijuuin Kotaro (Rosario + Vampire)
Reinhard Tristan Eugen Heydrich (Dies Irae)
Quincy Marrow/Slick (Marvel Comics)
Lucifer Morningstar (Vertigo Comics)
Sinbad (Magi: The Labyrinth of Magic)
Aion (Chrono Crusade)
Sora (No Game No Life) is an excellent and natural speaker, having an immense understanding of psychology, allows him to always know to say to get people on his side. His charisma is so great, it allowed for an international commonwealth spanning 8 sentient races, overcoming their mutual differences.