Anna, Elsa, Snow White, Cinderella
Snow White (she has black hair, while the others have blonde hair)
Darth Vader, The Joker, Loki, Thanos
Odd One Out: Darth Vader (he is from "Star Wars", while the others are from Marvel or DC comics)
Captain America, Spider-Man, Thor, Wolverine
Odd One Out: Wolverine (he has metal claws, unlike the others who have superhuman abilities)
Donkey, Horse, Dragon, Unicorn
Odd One Out: Dragon (it can breathe fire, unlike the others which are magical creatures)
Harry Potter, Hermione Granger, Fro Baggins,
Frodo Baggins (he is from "Lord of the Rings", while the others are from "Harry Potter" and "The Hunger Games")
Buzz Lightyear, Woody, Dory, Stitch
Odd One Out: Dory (she is a fish, while the others are toys or creatures from space)
Elastigirl, Violet, Jack-Jack, Buzz Lightyear
Odd One Out: Buzz Lightyear (he is not a member of the Incredibles family, unlike the others)
Merida, Rapunzel, Tiana
Odd One Out: Merida (she doesn't have magic powers, unlike the others)
Superman, Wonder Woman, Iron Man, Batman
Iron Man
Yoda, Hulk, Groot, R2-D2
Odd One Out: R2-D2 (he is a droid, while the others are living beings)
Dumbo, Bambi, Baloo, Buz Lightyear
Odd One Out: Buz Lightyear (he is not an animal, unlike the others who are)
Pumba, Timon, Simba, Rafiki
Odd One Out: Rafiki (he is not an animal, unlike the others who are from "The Lion King")
Dory, Nemo, Toothless
One Out: Toothless (he is a dragon, while the others are fish or animals)
Shrek, Fiona, Donkey, Puss in Boots
Odd One Out: Donkey (he is not a fairy tale creature, unlike the others)
Maleficent, Cruella de Vil, Ursula, Jafar
Odd One Out: Maleficent (she is a fairy, while the others are villains from Disney movies)
Shrek, Fiona, Donkey, Lord Farquaad
Odd One Out: Lord Farquaad (he is a villain, unlike the others who are main characters or sidekicks)
Ariel, Mulan, Pocahontas, Merida
Odd One Out: Mulan (she is not a princess by birth, unlike the others)
Minions, Scooby-Doo, SpongeBob SquarePants, Pikachu
Odd One Out: Pikachu (he is a Pokemon, while the others are animated characters from TV shows)
Nemo, Marlin, Dory, Squirt
Odd One Out: Squirt (he is a turtle, while the others are fish)
Woody, Buzz Lightyear, Jessie,Andy
Odd One Out: Andy he is not a toy