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629 - Leroy
Background information
Feature films Leroy & Stitch
Short films
Television programs Stitch!
Video games
Park attractions
Portrayed by
Portrayed by
Voice Chris Sanders
Wally Wingert (Stitch! English dub)
Performance model
Inspiration Stitch
Honors and awards
Character information
Full name
Other names Experiment 629
Personality Destructive, wicked, vicious, repulsive, disgusting, intelligent, conceited, nasty, small-minded, mischievous, sadistic, cruel, cunning, mature
Appearance An exact duplicate of Stitch with rougher red fur, a mahogany nose, black claws, toes, tips of antennae and ears and back markings, a light tan/pinkish-orange stomach from his chin down and around eyes, crimson markings on the back of his head and on his back, frilly ears with light purple inside, yellow teeth, a fluffy tail, and a slightly deeper voice as well as two extra, retractable arms, two bent retractable antennae on his head, three bent retractable spines tipped with white and a very dark mahogany on his back, and retractable claws on his front and back paws; when his mouth is closed, his canine fangs stick out
Occupation Jumba's newest creation, Hämsterviel's enforcer
Alignment Bad
Goal To follow Hämsterviel and kill Stitch (failed)
Home Galactic Prison
Relatives Stitch (twin brother)
Allies His clones, Dr. Hämsterviel, Captain Gantu (briefly)
Minions His clones
Enemies Stitch, Lilo Pelekai, Nani Pelekai, Jumba Jookiba, Pleakley, Captain Gantu, Reuben, Experiments
Likes Destruction, evil, mischief
Dislikes Stitch, the song "Aloha `Oe"
Powers and abilities Possesses all of Stitch's powers, with a little extra boost of strength and speed, along with the ability to change his fur color to pose as Stitch and instantly regrow his fur; can also spit explosive saliva, absorb electric and fire powers, and change into many forms
Weapons Teeth, claws, plasma gun
Fate Gets sent to Galactic Prison along with both his clones and his boss.
Quote "All experiments captured."

Leroy, A.K.A. Experiment 629, is an illegal genetic experiment created by Jumba Jookiba, and the titular secondary antagonist of Disney's 2006 film Leroy & Stitch, the main villain being Hämsterviel. He is Stitch's twin brother and evil counterpart. He is designed to possess all of Stitch's powers, but also has the ability to disguise himself as Stitch by changing his fur color from red to blue and instantly regrow his fur. He is Hämsterviel's new henchman and own version of Stitch, and has an army of clones. His one true place is in prison.



Leroy is an antagonistic, intelligent, conceited, rude, small-minded and shapeshifting experiment who is Hämsterviel's henchman and Stitch's archenemy and evil twin.

Like Stitch, Leroy is shown to be very destructive, but in a more vicious than mischievous way. He is also shown to be a physical, sadistic, cruel, and disgusting slob. Despite this, he also possesses some of Stitch's habits, including holding soda cans in his mouth and picking his nose with his tongue.

Leroy is cunning and quite mischievous like Stitch, though he isn't quite as immature despite the "age" difference. Where the similarities end in Leroy is how brutal he is in comparison to Stitch. Leroy isn't above using violence to get things accomplished and enjoys tormenting his foes whenever possible. He will more often than not rely on brute force in battle and tends to not show mercy to his opponents. While he does rely on brute force, Leroy is capable of planning out his attacks and is quite smart. While his English isn't perfect, Leroy can speak it a bit better than most other experiments.

Physical Appearance

Leroy resembles an exact duplicate of Stitch with rougher red fur, a mahogany nose, black claws, toes, tips of antennae and ears and back markings, a light tan/pinkish-orange stomach from his chin down and around his eyes, crimson markings on the back of his head and on his back, frilly ears with light purple inside, yellow teeth, a fluffy tail, and a slightly deeper voice as well as two extra, retractable arms, two bent retractable antennae on his head, three bent retractable spines tipped with white and a very dark mahogany on his back, and retractable claws on his front and back paws. When his mouth is closed, his canine fangs stick out. He wears a dark blue spacesuit with a triangle consisting of a deep blue border and green center on his chest and each of his sleeves and patches consisting of a deep blue border and dark blue center on each of his legs, black belt with a deep blue square buckle, both black collar, cuffs, and anklets. (Note: Leroy can be considered as Experiment 629, as he was the 629th experiment created.)

Special Abilities

Leroy possesses all of the same powers as Stitch, with a little extra boost of strength and speed, along with the ability to change his fur color to pose as Stitch and instantly regrow his fur. He can curl into a ball and roll with incredible speed, dealing heavy damage to anything he hits. He is fireproof, bulletproof, shockproof, acid-proof, explosion-proof and plasma-proof. He is also smart, faster than a supercomputer, and can absorb electric and fire powers. He is immune to Angel's forward song. He is stronger than Stitch and all of the other experiments. He is also very physical, but also good with a plasma gun.


During his creation, Leroy was programmed with a fail-safe that causes him, and his clones, to shut down when they hear the song "Aloha `Oe."

It is unknown whether or not Leroy shares Stitch's weakness of water.


Leroy & Stitch

Experiment 629 was the 629th and last genetic experiment created by Jumba with Hämsterviel's funding. He was designed to have all of Stitch's powers, with a little extra boost of strength and speed. He was named Leroy by Dr. Hämsterviel.

While spending a few years on Earth, Jumba had an unfinished experiment at his laboratory in deep space. After Lilo and Stitch had successfully captured all 625 experiments and turned them from bad to good, Jumba regained access to his lab. During this time, Jumba's evil former partner Dr. Hämsterviel escaped prison with Gantu's help.

Jumba started creating an experiment with explosive saliva from a template similar to Stitch until he was eventually ordered by Hämsterviel (who paid Jumba a visit) to instead make the latter "a new version of 626." Forced to comply, Jumba created a red, destructive replica of Stitch, and Leroy was born.

Shortly after, Stitch attacked the lab and Leroy was released to battle Stitch. After a long fight ensued between the twin experiments, Stitch had Leroy pinned down, but Pleakley's untimely arrival distracted Stitch long enough for Leroy to bat Stitch into a containment orb.

After Leroy proved to be more powerful than Stitch (though technically he didn't win fairly), the former was cloned by Hämsterviel into an army. The original Leroy then took over the BRB by posing as Stitch, the captain, and ordered that the pilots take him, Hämsterviel, and the Leroy army to Turo.

En route, Leroy received a call from Lilo and, resuming his Stitch disguise, attempted to pose as Stitch. However, he was quickly discovered by Lilo to be an imposter, as he was not wearing the tiki necklace that she had given Stitch, causing Hämsterviel to order Leroy to "hang up" (namely by blasting the communicator).

Meanwhile, a Leroy clone arrived on Earth, where it rounded up all of the first 624 experiments there (along with Mertle Edmonds while capturing Gigi) and brought them to a stadium to be destroyed.

Upon arriving on planet Turo, the Leroy army was able to overthrow the council and gain galactic domination.

Shortly after, Hämsterviel and the entire Leroy army arrived at the stadium on Earth in the BRB to destroy the captured experiments. Before they could, however, Lilo, Stitch, Jumba, Pleakley, Reuben and a reformed Gantu arrived and a battle ensued between the experiments and the Leroys. Though the experiments were able to overpower the Leroys at first, the Leroys soon gained the upper hand.

However, as the Leroys came close to winning the battle, Lilo, Stitch, Reuben and several other experiments performed the song "Aloha `Oe", which caused all the Leroys to shut down due to the original's fail-safe.

All of the Leroys were then sent to prison on Asteroid K-37, where they were seen happily dancing to the song "Jailhouse Rock" with an angry Dr. Hämsterviel tapping his foot.


The Disney Wiki has a collection of images and media related to Leroy.


  • Leroy is Experiment 629. In promotional material for the film, Leroy was also referred to as Experiment 628. However, this is false as he was only called Leroy in the film and is the evil doppelganger of Experiment 626.
  • Despite Leroy only appearing in Leroy & Stitch, he continued to appear in a number of merchandise popular in Japan.
  • Leroy is one of the ten known experiments named by someone other than Lilo, the other nine being Gigi, Elastico, Yaarp, Hammerface, Heat, Thresher, Plasmoid, Morpholomew, and Shrink.
  • Leroy looks exactly like Stitch, except Leroy is red, his ears have three smooth dents in them, and he's a bit rougher around the edges.
  • The scene where a Leroy clone crashes on Earth in Mertle's backyard is the same animation when Stitch first crashed on Earth in Lilo & Stitch.
  • When Leroy was defeated, his eyes looked the same exact way as Stitch's eyes were in Lilo & Stitch 2: Stitch Has a Glitch.
  • He has all the same powers as Stitch, with a few extra.
  • Leroy's color seems to come from Evile (Experiment 627), and may have been based off of Evile's original design and evil attitude as well.

v - e - d

Films: Lilo & Stitch | Stitch! The Movie | Lilo & Stitch: The Series (Episode List) | Lilo & Stitch 2: Stitch Has a Glitch | Leroy & Stitch | Stitch! | The Origin of Stitch
Soundtracks: Lilo & Stitch: An Original Walt Disney Records Soundtrack
Video Games: Lilo & Stitch (PS1) | Lilo & Stitch (GBA) | Disney's Stitch: Experiment 626 | Lilo & Stitch 2: Hämsterviel Havoc | Kingdom Hearts II | Kingdom Hearts: Birth by Sleep | Disney INFINITY | Disney INFINITY: 2.0 Edition
Books: Disney's Wonderful World of Reading

Disney Parks

Stitch's Great Escape! | The Enchanted Tiki Room: Stitch Presents Aloha e Komo Mai! | Stitch Encounter | The Golden Mickeys | Disney's Wishes | Mickey and the Magical Map


Lilo Pelekai | Stitch | Nani Pelekai | Jumba Jookiba | Pleakley | David Kawena | Captain Gantu | Jacques von Hämsterviel | Grand Councilwoman | Galactic Armada | Mertle Edmonds | Elena, Teresa and Yuki | Susan Hegarty | Cobra Bubbles | Moses Puloki | Mr. and Mrs. Pelekai | Ice-Cream Man | Mrs. Edmonds | Officer Kaihiko | Mrs. Hasagawa | Keoni Jameson | Mr. Jameson | Victoria | Sara | Mr. Cooper
Stitch! Characters: Yuna Kamihara | Obaa Kamihara | Penny | Sasha | Taro | Hiroman | Jessica | Tigerlily | Kenny | Ani Pelekai | BooGoo | Kijimunaa | Delia
Video Game Characters: Dr. Habbitrale
Experiments: List of Experiments | Reuben | Sparky | Angel | Felix | Sample | Kixx | Richter | Cannonball | Yin | Yang | Mr. Stenchy | Phoon | Sprout | Clip | Shortstuff | Splodyhead | Slushy | Melty | Snooty | Skip | Shoe | Dupe | Fibber | Remmy | Poxy | Retro | Poxy | Tank | PJ | Houdini | Wishy-Washy | Topper | Belle | Holio | Spooky | Phantasmo | Bonnie | Clyde | Slick | Spike | Finder | Bugby | Nosy | Heckley | Frenchfry | Drowsy | Yaarp | Ploot | Babyfier | Gigi | Hannerface | Heat | Thresher | Plasmoid | Swapper | Sinker | Swirly | Hunkahunka | Amnesio | Elastico | Slugger | Checkers | Spats | Lax | Morpholomew | Doubledip | Hamlette | Gotchu | Forehead | Hockey | Zawp | Mulch | Shredder | Pix | Boomer | Cloudy | Manners | Woody | Wrapper | Blowhard | Derrick | Backhoe | Poki | Deforestator | Squeak | Ace | Glitch | Woops | Snafu | Link | Zap | Fudgy | Nosox | Stamen | Tickle-Tummy | Clink | Jam | Digger | Mary | Huggo | Slimy | Stopgo | Splat | Kernel | Sproing | Mashy | Butter | Choppers | Millie | Kingpin | Weasel | Carmen | Nodesserto | Vialet | Cooler | Crystallene | Precious | Chopsuey | Blake | Shrink | Twang | Mrs. Sickly | Stank | Pop | Dorkifier | Wormhole | Toons | Hertz Donut | Welco | Lorider | Witch | Sproutling | Evile | 628 | Leroy | Cyber | Dark End
Other: Elvis Presley | Pudge | Jimmy the Cockroach | Various Aliens | Various Robots | Tantalog language


Season One: "Richter" | "Phantasmo" | "Clip" | "Mr. Stenchy" | "Spooky" | "Holio" | "Cannonball" | "Yapper" | "Yin-Yang" | "Kixx" | "Splodyhead" | "Amnesio" | "Swirly" | "Fibber" | "Tank" | "Sprout" | "Elastico" | "Yaarp" | "627" | "The Asteroid" | "Topper" | "Melty" | "Houdini" | "Sinker" | "Nosy" | "Finder" | "Slushy" | "Dupe" | "Shortstuff" | "Angel" | "Felix" | "Poxy" | "Hunkahunka" | "Sample" | "Babyfier" | "Bonnie & Clyde" | "Slugger" | "Bad Stitch" | "Drowsy"
Season Two: "Spike" | "Frenchfry" | "Swapper" | "Shoe" | "Slick" | "Skip" | "Checkers" | "PJ" | "Ploot" | "Snooty" | "Retro" | "Belle" | "Morpholomew" | "Spats" | "Heckler" | "Wishy-Washy" | "Phoon" | "Bugby" | "Rufus" | "Shush" | "Lax" | "Remmy" | "Mrs. Hasagawa's Cats" | "Ace" | "Glitch" | "Woops" | "Snafu" | "Link"


He Mele No Lilo | Heartbreak Hotel | Stuck on You | Suspicious Minds | Devil in Disguise | Hawaiian Roller Coaster Ride | Aloha `Oe | Hound Dog | Burning Love | Can't Help Falling in Love | Rubberneckin' | I Need Your Love Tonight | A Little Less Conversation | Always | Aloha, E komo Mai | Jailhouse Rock


Hawaii | Honolulu | The Beach | Lilo's House | Animal Shelter | Hula School | Mertle's House | Mrs. Hasagawa's House | Birds of Paradise Hotel | Kilauea Lighthouse | Kauai Airport | Rental Hut | Beach Gym | Pineapple Water Tower | Farm | Bugopolis | Haunted House | Kiki's Coffee Hut | Japanese Restaurant | Beauty Parlor | Junior Dog Show | Pet Shop | Costumes | Hip Hop Fusion Studio | Orchard Falls Mall | Mart | Macki Macaw's | French Fry's | Shave Ice | World's Largest Sandwich | Jumba & Pleakley's Bed & Not Breakfast | Baseball Field | Golf Course | Observatory | Underwater Base | Waialeale Peak | Ali'i Trail | Kimo's Arcade | Onaona Skunk Farm | Kokaua Wildlife Preserve | Museu of Natural History Kauai | Kokaua Town Prison | Kokaua Town Lanes | Laundry Store | Gas Station | Cinema | Turo | Plorgonar | Prison Asteroid K-37 | Jumba's Lab | G.A.C.C. | Aloha Palooza | Lihue Airport | Izayoi Island | Okinawa New Town


Experiment Pods | Experiment Pod Container | Jumba's Computer | Plasma Cannon | Net Cannon | Galactic Cell Phone | Prison Capsule | Sample Extractor | Fusion Chamber | Projector | Time Machine | Protoplasmic Growth Ray | Plasmatic Englobulatron | Luggage | Scrump | Lilo's Experiment Book | Spiritual Stone


Jumba's Ship | Gantu's Ship | Manta Shuttle | The Red One | Police Cruisers | Dr. Hämsterviel's Ship | Tsunami Air Boeing 747 | Lilo's Ship | X-Buggy | Federation Ship | B.R.B. 9000 | G.A.C.C. Ship

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