Omoo is the Melville tale that starts with O.
One example of a fairy tale witch that starts with the letter "o" is the Evil Queen from Snow White. She transforms herself into an old hag to deceive Snow White with a poisoned apple.
Moby Dick
if ya diss us you'll be sleepin' with da fishes MELVILLICIOUS
James, according to biographer Clive Humphries, "disappeared for a period of months into Melville's 'Dick,' only to emerge "aeons later" to opine: "It's a whale of a tale, I tell you, lads--a whale of a tale, I know."
yes
"East of the Sun and West of the Moon" is a fairy tale title that starts with the letter E.
Gest
Alice from "Alice's Adventures in Wonderland" is a fairy tale character whose name starts with the letter A.
Do you mean what Norse god starts with o? Odin is a Norse go that starts with O.
Pauline Melville has written: 'Shape-shifter' -- subject- s -: Protected DAISY 'The ventriloquist's tale' -- subject- s -: Fiction, Ventriloquists, South America 'The migration of ghosts' -- subject- s -: Short stories
Rapunzel
it means that samoans fairy tale is the sami o suvai