Captain Gantu

Captain Gantu is the main antagonist from Disney's 2002 film Lilo & Stitch, its sequels, and television series. He is not evil, however, but following his orders in an admittedly ruthless manner. Gantu is the former captain of the Galactic Federation. Gantu later reforms in Leroy and Stitch earning his job as captain back but joins forces with evil yet again in the series Stitch!

Development
In earlier drafts of the film, Gantu's role in the climax of the film was taken by a character called Ramthar, who was a member of Stitch's gang of criminals. As the storyline changed, most of the gang was phased out and Ramthar played the role of a bounty hunter. Ramthar capturing Lilo still remained, even with the creation of Gantu in the intervening period.

Background
Gantu is the former captain of the Galactic Federation who is known for being rather brutal when it comes to fugitives. Originally, Gantu was just a strict law enforcer but soon became a ruthless villain bent on destroying Experiment 626 or Stitch. After his failed attempt, Gantu became evil completely and began to work with a notorious galactic enemy, Dr. Hämsterviel and a experiment relative of Stitch, Experiment 625. Together, the villains plot to capture the other 624 loose experiments in an attempt to take over the galaxy. However, Hämsterviel's constant verbal abuse results into Gantu and 625 reforming. Gantu regains his spot as captain of the Galactic Federation with 625 as his Galley Officer. This reformation was short lived however as Gantu was honorably discharged from his position because of his terrible karaoke singing. Gantu and 625 rejoin forces with Hämsterviel who now plots to become the most powerful being in the universe.

Lilo and Stitch
Gantu appeared at Jumba's trail. Once Gantu observes Jumba's creation he sentences him to prison while the Grand Council Women commanded Gantu to imprison Stitch. Gantu a makes sure Stitch is locked up completely and leaves the room. During Gantu's absence Stitch escapes. Gantu tries to capture him during the escape but was unlucky. The Grand Council women then sends Stitch's creator Dr. Jumba and earth expert Pleakely to capture Stitch. The duo soon fail and The Grand Council Women sends Gantu out to capture the creation. Gantu kidnaps Stitch along with who new friend Lilo. Stitch manages to escape although Gantu is clueless to his escape. Lilo's sister Nani, Stitch and reformed Jumba and Pleakley set off to save Lilo. A battle follows and Stitch rescue Lilo. After the battle the heroes and Gantu return to the island. Gantu is then fired from his job for brutally following the orders and endangering lives during the mission.

Stitch! The Movie
Gantu didn't appear in Lilo and Stitch 2: Stitch Has a Glitch, but he reappears as a secondary villain aiding the evil Dr. Hamsterveil in his goal to take over the galaxy. In this film Gantu kidnaps Jumba and uses him as a hostage in order to gain the the other 624 experiments Jumba created.

Lilo and Stitch: The Series
Gantu appears as one of the series main villains and is featured in almost every episode. Gantu is now the official henchman of Hämsterviel and plans to capture all 625 experiments. Gantu is given a sidekick as well, the wisecracking experiment number 625. He has revealed to be quite bumbling and dim-witted compared to his debut appearance. He tries various schemes and natural force to capture all 624 experiments with little success. Near the end of the series he has revealed to have only captured seventeen but these experiments were soon released by Lilo and Stitch. The series implies that Gantu works for Hämsterviel for money and money only. In Wishy Washy, an experiment with the ability to grant wishes prompts Gantu to betray Hämsterviel, not needing the villain with the power of wishes.

Leroy and Stitch
Three years after the experiments were released, Gantu attempts to redeem himself in the eyes of Hämsterviel by breaking the former out of prison. He does so successfully, leaving 625 behind on Earth. Hämsterviel then enlists Gantu in his new scheme to create an evil clone of Stitch in a plot to take over the galaxy. They head over to Jumba's lab where the scientist currently resides after receiving his keys back from the Grand Councilwoman. Gantu threatens to kill Jumba unless he cooperates with Hämsterviel and finish the nearly complete experiment in the lab. Once the experiment was complete, Hämsterviel names it Leroy and orders it to capture all 624 experiments. Once their collected, Hämsterviel fires Gantu, no longer needing the former captain. As a result of the discharge, Gantu decides to turn over a new leaf by freeing a captive Lilo and 625 (now named Reuben by Lilo). The team meets up with Stitch, Jumba, and Pleakley and heads to earth to battle the Leroy army and save the galaxy. After the mission is a success, Gantu is granted his position as captain of the Galactic Armada once again.

Stitch!
He works under Dr. Hamsterviel, to steal Stitch's Good Deed Counter. According to the English dub, Gantu was dishonorably discharged from his Galactic Federation job due to bad karaoke singing. Gantu bears an overobsession to a television drama called "Red Rose Maiden", or "The Young and the Stupid" in the English dub, and bears a huge crush over the main character of the drama, Princess Michigo.

Kingdom Hearts Birth by Sleep
Gantu has a relatively less important role as a minor antagonist in Kingdom Hearts Birth by Sleep. In the game, he is found and resides in the Lilo & Stitch-based world of Deep Space. Holding a desperate struggle to retain the dangerous Experiment 626, it is both on and before his quest to recapture Experiment 626 that he crosses paths with Terra, Ventus, and Aqua.

Gantu first appeared alongside the Grand Councilwoman after he reported capturing a strange being floating through space, showing her an unconscious Terra in one of the ship's prison cells. The two aliens were soon attacked by a group of Unversed, Gantu attempting to defend the Grand Councilwoman but eventually forced to flee while a recently awakened Terra took on the mysterious creatures.

When Aqua arrived in Deep Space, she was captured by Gantu, who was on the search of the renegade Dr. Jumba Jookiba and Experiment 626, and branded an intruder by the massive extraterrestrial. She was then taken to the Grand Councilwoman. Gantu was criticized when he told the Grand Councilwoman the ship's weapons were no match against the Unversed. Aqua was hired to eliminate them in his place; she was also told to search for Experiment 626 and Jumba. When the Keyblade wielder found the fugitives on the docking bay, Gantu ultimately attacked with a desire for revenge. Witnessing his attack on her security monitors, the Grand Councilwoman arrived on the docking bay after the battle between Gantu, Experiment 626, and Aqua had ended, demoting Gantu back to Patrol status despite his protests.

Having recaptured Experiment 626, who had escaped during Terra's visit and was later given a fighting chance at survival for learning about friendship during Aqua's visit, Gantu was interrupted from tormenting the small alien. Soon after, an intruder was detected. He found Ventus, whom he accused of being the trespasser. Ventus explained he was merely following an Unversed that had snuck aboard the ship, Gantu calling him a liar, since no other intruders had been sensed. However, the Grand Councilwoman's announcements of a monster causing the engine to go wild and out of control made him change his mind and pursue the creature. Ventus then proceeded to disobey Gantu's orders to stay put, defeating the mysterious Unversed alongside Experiment 626. Ventus and the renegade Experiment 626 affirmed their friendship, but then Gantu arrived in an attempt to destroy them. He was out-maneuvered, and Experiment 626 was able to escape the ship.

Disney Parks
Gantu makes occasional appearances at the Disney parks. He is mostly seen in Tokyo Disneyland parades and shows.

Stitch's Great Escape!
Gantu appears in the Lilo and Stitch based attraction in the Magic Kingdom. Gantu pilots Disney parks guest through the tutorial along with Pleakley. Gantu accompany guest in the search for Stitch. Soon enough a level 3 threat breaks alert and Gantu himself worries for the safety of the guest. He joins them into the room where they meet and interact with the level 3 (Stitch).

Midsummer Night's Panic
In Tokyo Disneyland, Gantu and Hämsterviel, with an army, plot to capture Stitch and travel to Earth. During the middle of a summer get together, Gantu is ordered to make his move, however, Lilo challenges him to a music face-off. After Gantu's defeat, he ultimately gives up and decides to join Lilo and Stitch in their party. Soon enough, Hämsterviel arrives shocked by the situation. In spite of the confusion, Hämsterviel decides to join the party as well.

Trivia

 * At one point in the series, when asked by an elderly Hawaiian couple, he mentioned that he was from Samoa after his original response about where he was originally from went over their heads.