Introduced in Shrek 2
King Harold (voiced by John Cleese) is Fiona's father. He made a pact with the Fairy Godmother involving blackmail against him to get Fiona to marry Charming and he is actually the Frog Prince.
Queen Lillian (voiced by Julie Andrews) is Fiona's mother. Along with King Harold, she was also surprised to see her daughter turned into an ogre and married to Shrek.
Fairy Godmother (voiced by Jennifer Saunders in the films, Claudia Christian in the video games, and Pinky Turzo in Thriller Night) is a scheming, conniving opportunist, loosely based on the fairy godmother from the fairy tale "Cinderella".
Prince Charming (voiced by Rupert Everett in the second and third films, Sean Bishop in Scared Shrekless, James Arnold Taylor in video games) is the son of the Fairy Godmother, who pretends to be Shrek in an effort to win Fiona's heart and marry her.
Dronkeys are the six children of Donkey and Dragon, a hybrid of both dragons and donkeys. They are first introduced in a post-credits scene.
Doris (voiced by Larry King in the US, and Jonathan Ross in the UK) is one of Cinderella's ugly stepsisters, and a great friend and confidant in Fiona's group of friends. After being encouraged by Shrek and his friends to quit her old job as a waitress at the Poison Apple bar, she joins Fiona and the other princesses in the third film, and later reunites with her sister Mabel.
Captain Hook (voiced by Ian McShane) is a character in the story of Peter Pan. He plays the piano in the Poison Apple tavern. Although he has a brief appearance in the second film, in the third he acts as a secondary villain.
The Headless Horseman (voiced by Conrad Vernon) appears drinking alongside King Harold in The Poison Apple, and also juggling outside the bar. He also appears in the third film as an ally of Prince Charming.
Cyclops (voiced by Mark Valley) is a villain who acts as the bouncer of The Poison Apple. He is married and has a daughter who, like him, only has one large eye in the center of her forehead.
Evil trees are talking trees that they frequent as the most loyal customers of The Poison Apple. In the third film they join the side of Prince Charming's villains, and it is seen that they are from the Wizard of Oz universe.
Mongo (voiced by Conrad Vernon), he is a giant gingerbread man and Gingy's brother; he appears in Shrek 2 to storm the castle alongside Shrek and his friends, and he dies losing his arms and drowning in the moat.
The Muffin Man (voiced by Conrad Vernon) is the creator and "father" of Gingy and Mongo, he is the one who baked Gingy. In Shrek 2, he is responsible for baking Mongo. In Shrek Forever After, he works at Shrek's party.