1. Toy Story (1995)
* Woody: A cowboy doll, the leader of the toys.
* Buzz Lightyear: A space ranger toy, initially unaware he's a toy.
* Other Notable Characters: Mr. Potato Head, Hamm, Rex, Slinky Dog, Bo Beep
2. A Bug's Life (1998)
* Flik: An ant who sets out to find warrior bugs to help his colony.
* Princess Atta: The ant queen.
* Hopper: The ruthless grasshopper who rules the colony.
* Other Notable Characters: Heimlich, Dot, Manny, Francis
3. Toy Story 2 (1999)
* Woody: The cowboy doll, who is kidnapped by a toy collector.
* Buzz Lightyear: The space ranger, who helps Woody escape.
* Jessie: A cowgirl doll, Woody's new friend.
* Other Notable Characters: Stinky Pete, Emperor Zurg, Mr. Potato Head, Hamm, Rex, Slinky Dog, Bo Beep
4. Monsters, Inc. (2001)
* Sulley: A furry monster who is the top scarer at Monsters, Inc.
* Mike Wazowski: Sulley's best friend and partner, who is a one-eyed monster.
* Boo: A human child who accidentally enters the monster world.
* Other Notable Characters: Randall Boggs, Celia Mae, Roz, Henry J. Waternoose
5. Finding Nemo (2003)
* Marlin: A clownfish who searches for his son Nemo.
* Nemo: A young clownfish who is separated from his father.
* Dory: A forgetful blue tang who helps Marlin on his journey.
* Other Notable Characters: Crush, Gill, Bruce, Squirt, Nigel
6. The Incredibles (2004)
* Mr. Incredible (Bob Parr): A superhero who is struggling to live a normal life.
* Elastigirl (Helen Parr): Bob's wife, who is also a superhero.
* Violet Parr: Their teenage daughter, who can turn invisible and create force fields.
* Dash Parr: Their son, who can run at super speed.
* Jack-Jack Parr: Their baby, who has a range of superpowers.
* Other Notable Characters: Syndrome, Frozone
7. Cars (2006)
* Lightning McQueen: A race car who gets lost in Radiator Springs.
* Mater: A rusty tow truck who becomes Lightning's best friend.
* Other Notable Characters: Doc Hudson, Sally Carrera, Ramone, Luigi
8. Ratatouille (2007)
* Remy: A rat who dreams of becoming a chef.
* Linguini: A clumsy kitchen worker who becomes Remy's partner.
* Colette Tatou: A skilled cook who works in the kitchen.
* Other Notable Characters: Chef Gusteau, Anton Ego, Skinner
9. WALL-E (2008)
* WALL-E: A solitary robot left on Earth to clean up the garbage.
* Eve: A sleek probe robot sent to Earth to search for life.
* Captain B. McCrea: The captain of the Axiom spaceship.
* Other Notable Characters: AUTO, John, Mary, the Captain's pet cockroach
10. Up (2009)
* Carl Fredricksen: An elderly widower who ties thousands of balloons to his house and flies away to South America.
* Russell: A Wilderness Explorer who stows away on Carl's journey.
* Dug: A talking dog who joins Carl and Russell.
* Other Notable Characters: Kevin, Charles Muntz
11. Toy Story 3 (2010)
* Woody: The cowboy doll, who is now facing the possibility of being thrown away.
* Buzz Lightyear: The space ranger, who helps Woody again.
* Jessie: The cowgirl doll, who also faces being thrown away.
* Other Notable Characters: Lotso, Ken, Big Baby, Mr. Potato Head, Hamm, Rex, Slinky Dog, Bo Beep
12. Cars 2 (2011)
* Lightning McQueen: The race car, who travels to Japan and Europe to compete in a world championship.
* Mater: The tow truck, who gets caught up in a spy adventure.
* Other Notable Characters: Finn McMissile, Holley Shiftwell, Professor Z
13. Brave (2012)
* Merida: A Scottish princess who wants to choose her own destiny.
* Queen Elinor: Merida's mother, who is trying to arrange a suitable marriage for her.
* Other Notable Characters: King Fergus, Lord MacGuffin, the Witch
14. Monsters University (2013)
* Sulley: A young monster who is trying to find his place at Monsters University.
* Mike Wazowski: Sulley's best friend, who is also trying to make his mark at the university.
* Other Notable Characters: Dean Hardscrabble, Randal Boggs, Witherstaff, Squishy
15. Inside Out (2015)
* Riley: A young girl who is struggling to adjust to a new life in San Francisco.
* Joy: Riley's main emotion, who is determined to keep her happy.
* Sadness: Riley's other main emotion, who is often overlooked.
* Other Notable Characters: Anger, Fear, Disgust
16. The Good Dinosaur (2015)
* Arlo: A young Apatosaurus who befriends a human boy named Spot.
* Spot: A human boy who is lost in the wilderness.
* Other Notable Characters: Butch, Poppa, Momma, Forrest, Thunderclap
17. Finding Dory (2016)
* Dory: The forgetful blue tang, who sets out to find her family.
* Marlin: Dory's friend, who helps her on her journey.
* Nemo: Dory's other friend, who also helps her on her journey.
* Other Notable Characters: Hank, Destiny, Bailey, Becky, Gerald, Fluke
18. Coco (2017)
* Miguel: A young boy who dreams of becoming a musician.
* Hector: A deceased musician who becomes Miguel's guide in the Land of the Dead.
* Other Notable Characters: Mama Imelda, Ernesto de la Cruz, Dante, Pepita
19. Incredibles 2 (2018)
* Elastigirl: The superhero, who is now taking on the role of the public face of superheroes.
* Mr. Incredible: Bob, who is struggling to adjust to his new role as a stay-at-home dad.
* Other Notable Characters: Violet, Dash, Jack-Jack, Evelyn Deavor, Screenslaver
20. Toy Story 4 (2019)
* Woody: The cowboy doll, who is now facing the possibility of being left behind by Bonnie.
* Buzz Lightyear: The space ranger, who is still Woody's best friend.
* Other Notable Characters: Forky, Bo Beep, Duke Caboom, Gabby Gabby, Benson, the Carnival
21. Onward (2020)
* Ian Lightfoot: A teenage elf who is trying to connect with his deceased father.
* Barley Lightfoot: Ian's older brother, who is more optimistic and carefree.
* Other Notable Characters: Wilbur, Corey, The Manticore
22. Soul (2020)
* Joe Gardner: A middle school music teacher who dreams of becoming a jazz musician.
* 22: A soul who is reluctant to be born into the human world.
* Other Notable Characters: Terry, Moonwind, Jerry
23. Luca (2021)
* Luca Paguro: A young sea monster who can transform into a human on land.
* Alberto Scorfano: Luca's best friend, who is also a sea monster.
* Giulia Marcovaldo: A human girl who becomes friends with Luca and Alberto.
* Other Notable Characters: Massimo Marcovaldo, Daniela
24. Turning Red (2022)
* Mei Lee: A 13-year-old girl who transforms into a giant red panda when she experiences strong emotions.
* Other Notable Characters: Ming Lee, Abby, Priya, Miriam, Tyler, the 4*Town Boys
25. Lightyear (2022)
* Buzz Lightyear: The space ranger, who is shown as a young astronaut who inspires the toy in the Toy Story movies.
* Other Notable Characters: Izzy Hawthorne, Alisha Hawthorne, Mo Morrison, Commander Burnside, Emperor Zurg
This list provides the most prominent main characters in each film. There are many supporting characters in each movie, and the importance of each character can vary depending on the specific film.