BE WARNED! MAJOR SPOILERS FOR ALL THREE SEASONS
Jiminey Cricket/Archie Hopper: Jiminey Cricket used to be a man with crazy parents who like stealing. Jiminey is a very nice to other people he does things for them before he does something for him. One adventure he had was when his parents were stealing from people he got a potion from Rumplestilskin to turn his parents into dolls. but they switched bottles and he turned people into dolls by accident. Jiminey turned into a cricket to help Geppeto and Pinnochio to be their "conscience". Archie is a therapist in a town called Storybrooke he is the nicest person there. Archie was kidnapped by cora and put in the bunker of the Jolly Roger (Captain Hook's Ship).
Mulan: Mulan is a warrior whom we first meet in the first episode of season 2. She and her companion Prince Philip go to save Aurora from a sleeping curse. She lives in The part of the Enchanted Forest that was not taken to storybrooke by Regina's curse. Mulan plays a major part in the first half of season two when she and Aurora accompany Emma and Mary Margaret on their quest to get home. Throughout the series she proves to be strong willed and Brave. She eventually joins up with Robin Hood and his Merry Men after she finds out that Aurora is pregnant. It has been strongly implied from Mulan's relationship with Aurora that she is a lesbian.
Aurora: Aurora is from the Fairytale sleeping beauty. Aurora has a guard named Mulan she saved Prince Philip Aurora's true love. Aurora did not get stuck in the curse because she was in the same place as Hook and Cora. Aurora eventually meets Emma and Snow White and helps them get back to storybrooke.
Belle/Lacey: Belle is from the Fairy tale beauty and the beast. Belle was put in a dungeon for a while by Regina. But later down the line she meets the love of her life Rumpelstiltskin he is very bad but she thinks there is good in him so she stays with him.
Blue Fairy/Mother Superior: