This page is the character list of the 2001 Ultra Series, Ultraman Cosmos. The series coincided with a prequel movie Ultraman Cosmos: The First Contact in 2001, later on succeeded with spin-off movies Ultraman Cosmos 2: The Blue Planet (2002) and Ultraman Cosmos vs. Ultraman Justice: The Final Battle (2003).

Musashi Haruno is the main viewpoint character in the series and is Ultraman Cosmos' human host. Before his mother remarried, his actual name was .

Having lost his astronaut father to a rocket accident in 1993, the 11 year old Musashi dreams of becoming an astronaut in honoring his late father. One night, while observing the stars, Musashi encountered the weakened Cosmos and reflect the sunlight to his forehead, therefore recharging the giant. His encounter with Cosmos was dismissed by others, especially during Basical's invasion on Earth until he was reassured by Mari and the Baltan child Shirubyi, allowing him to call upon Cosmos once more.

Eight years later, the 19-year-old Musashi becomes a pilot candidate of the SRC Universal Development Center. After the Chaos Header started their invasion by possessing his monster companion Lidorias, Musashi merged with Cosmos and since then joined Team EYES in order to secure monsters and fight against Chaos and other extraterrestrial invaders. Despite his optimistic approach, his reliance on Cosmos also turned into a hindrance that almost get them killed until the Ultra was upgraded into Eclipse Mode. Starting from the second half, Musashi and Team EYES became a frequent target of Chaos Header, the entity being well aware of his double life. In the final episode, realizing that Chaos is simply misguided in his actions, Musashi's will to purify it resulted with Chaos Header transformed into an angelic form and departed from Earth. His actions caused him to be acknowledged as a true hero by Cosmos as they parted ways.

In 2012, Musashi had long retired from Team EYES and is pursuing in his dream to become an astronaut. In the event of Scorpus' attack on Earth, Musashi joined Team SEA as they establish contact with the Alien Gyashi and bonded with Cosmos to stop Sandloss with the help of Justice. Three years later, Musashi finally became an astronaut for the an attempt to bring Earth monsters away to a different planet. After being betrayed by Justice, both Cosmos and Musashi were trapped in a different space time as Ayano mobilized his colleague and had their restore him back. Bearing no ill intent, he healed Justice as they fought Gloker Bishop and Giga Endra. With the fight ended, Musashi settled his life on the terraformed Planet Juran to watch over the migrated Earth monsters and married Ayano, having a son named Sora.

Despite his pacifism, Musashi is also skilled in armed combat and a formidable pilot. The given to him by Cosmos was meant to summon the Ultra by his own will and can simultaneously recharge his energy with Musashi's own bravery. Once both Ultra and human merged, the pyroxene transformed into the , which allows Musashi to become Cosmos. In their separated state, the Radiant Stone allows Musashi to become an orb of light which merged with the Ultra's Color Timer.

He is portrayed by . As a child, he is portrayed by .

Team EYES

is a subsidiary of SRC and the viewpoint team of Ultraman Cosmos. Stationed within the Treasure Base, their main goal is to protect monsters and benevolent aliens, but would also participate in warfare against hostile forces if the condition is called for. In The Final Battle, much of the original team members had retired as they were replaced by younger generations and moved on with their respective jobs.

Team EYES members : The 33-year-old captain of Team EYES and one of the founding members of the SRC research project. He is affectionately called "cap" by his teammates and was the reason Musashi was allowed to join Team EYES. Though essentially a gentleman, Hiura has a wild side that comes out when he finds himself in battle. In 2015, he becomes an SRC engineer and a university professor. He is portrayed by . : The vice-captain of Team EYES, 28 years old. Mizuki is one of the original defense instructors and joined Team EYES after sympathizing with their policies and ideals. While she is generally reserved, she often takes the lead in battle and guides her team through dangerous situations with great care and experience. Due to their similar backgrounds, she has known Fubuki since his early days in J.A.D.F.. In 2015, Shinobu returned to the defense army and served as their instructor. She is portrayed by . : A 23-year-old former JADF officer and the rookie member of EYES before Musashi. He has a cool, yet slightly aggressive personality that SRC initially did not want on their Team EYES project. He often comes into conflict with other members on how to deal with the corrupted monsters, especially butting heads with Musashi many times. The two form a deep friendship throughout the series as Fubuki comes to understand Musashi and his feelings towards life, through which captain Hiura usually puts the two on missions as . Though Fubuki is strong, he was a sick child who was unable to defend those closest to him; this led to him wanting to become strong to protect others, an ideal which was eventually washed away by a need to simply be strong. 3 years later in Ultraman Cosmos vs. Ultraman Justice: The Final Battle, Fubuki has become the captain of a new batch of Team EYES members and fights with the ideals of Musashi in mind. He is portrayed by and by . : The 25-year-old mechanic of Team EYES and seen as the most naive member of the team. He hails from Kōchi Prefecture, and his teammates often think of him as a country boy because of this. He was called a genius scientist at a young age and was watched closely by the SRC project. Koji joined the team so he could escape his father, a man who he shares an uneasy relationship with. In 2015, Doigaki becomes the chief of SRC science division. He is portrayed by and by . : A 19-year-old member of the team and the youngest member, younger than Musashi by 10 months. Ayano is very spirited and often spoiled due to her upbringing. She has a habit of falling in love with handsome men and doesn't concern herself with femininity. She was initially very cold towards Musashi, unable to accept that her junior on the team was actually older than she was and often referred to him as "Member Musashi" throughout most of the series. The two seem to form a close bond as the series plays out, Ayano eventually on a first-name basis with Musashi by the end of the show. In The Final Battle, she became the manager of Kaburaya Monster Reservation Center and managed to gather Musashi's colleague and her mother as they donated their Future Energy to save him from the space-time. As revealed in Ultraman Saga, she married Musashi and settled her life on Planet Juran with a son named Sora. She is portrayed by and by .

2015 Team EYES members A new group of Team EYES led by Captain Fubuki, succeeding the first team, to which they referred to as "The Eyes". : The passionate vice-captain who regularly team up with Fubuki. He is portrayed by . : The sole female member. She is portrayed by . : The team's main analyzer, he remains at the base to establish contact with Delacion. He is portrayed by . : A cool-headed pilot with an occasional hot-blooded moment. He is portrayed by , who would go on to portray Ryu Aihara in Ultraman Mebius.

Team EYES mechas : Part of SRC's , it is a 3-seater V/STOL aircraft with long nosed and shot nosed variations. As its name suggest, the aircraft served as a core for most of Team EYES' mechas and is capable of operating independently as an escape pod. SS: An all-gray colored unit which was piloted by Musashi during Lidorias' possession from Chaos Header. It was shot down by the infected monster itself. The "SS" notation is short for . : Team EYES' class of fighter jets, four combinations existed per four separate components and the Core Module as a base. Red colored parts are the A1 and A2, while blue-colored parts are B1 and B2. In The Final Battle, the Tecch Thunder units are further optimized into the black colored , as space variants are known for the "KS" notation. The all-red machine which combines both A1 nosecone and A2 thrusters. It boasted high speed and maneuverability in mid-air, as well as perfect in reconnaissance missions. It is piloted by both captain Hiura and Fubuki. Its Tecch Raigar counterpart is boarded by Kashima and Shōda, while Fubuki and Natsuki piloted its KS variant. The all-blue machine which combines both B1 nosecone and B2 thrusters. Being reserved for rescue and protection, it boasted the lowest speed out of four modules but is equipped with multiple tools for disaster countermeasures and monster protection. The main pilot is Shinobu. Its Tecch Raigar counterpart is further optimized, allowing the machine to partake in actual combat other than monster protection and piloted by Fubuki and Natsuki, however, its KS variant is yet to be deployed due to the problems in balancing during the flight. Combines A1 nosecone and B2 thrusters, it is a large support aircraft with high firepower and multiple rescue tools. After overcoming his fears, Doigaki becomes the major pilot of this machine. Although its Tecch Raigar counterpart did not appear on-screen, the machine appeared as its KS variant to participate in an attack against Giga Endra, piloted by Kashima. Combines both A2 and B1 thrusters, it is presented as a compact high speed machine with multiple assault and rescue tools. Its main pilot is Musashi. Although its Tecch Raigar counterpart did not appear on-screen, the machine appeared as its KS variant to participate in an attack against Giga Endra, piloted by Shōda. : An advanced model of Tecch Thunder with an enhanced "SP" rear part replacing the A2 and B2 thruster units. As in all units, the machine is equipped with laser beams and missile launchers. The SP thruster unit is created by Doigaki based on the concept of shōgi, hence it is reversible on both sides depending on the mission: the red colored SP-S (Surface) and blue colored SP-R (Reverse). Combines both A1 nosecone and SP-S unit. It served as protect, capture and support type with excellent mobility and high speed flight. The main pilot is Fubuki. In The Blue Planet, a "KS" variant was developed by SRC Universal Research Center and piloted by Musashi during his exploration to a ruined Planet Juran. Combines both B1 and SP-R unit. It resumed the purpose of Tecch Thunder 2 with faster flight speed in addition to and . The main pilot is Shinobu. : Non aircraft Core Based Modules equipped with D rear unit, each are assigned to different regions other than air. : A subterrene resulted from the combination of C2 and D units. : A submarine resulted from the combination of C1 and D units, equipped with manipulator sub arms and missile torpedo. The improved variant appeared in The Blue Planet, under ownership of Team SEA. : A massive spacecraft built by Dr. Kimoto with the help of SRC's Space Development Center. Because of its massive size, the aircraft houses three Core Modules; one on the front and two others on its pair of boosters. It also houses a variety of weapons, in addition to a pair of arm manipulators. For emergency purposes, the Tecch Booster can separate into three components for each Core Module pilots to control it or for auto-piloting, leaving the front unit as the sole crewed aircraft. In the battle against Chaos Ultraman Calamity, Hiura ejected both rear parts as sacrificial bullets to assist Cosmos. : Team EYES' patrol car, its main model is Honda Insight. : A machine which Ayano loaned from SRC in order to bait Mudon out as part of . Its name and method is a reference to Setaria viridis plants being used as natural toys for cats in Japan.

SRC