[[folder:G.U.T.S. (Global Unlimited Task Squad)]]
!!Daigo Madoka/Ultraman Tiga

->Played by: [[Music/{{V6}} Hiroshi Nagano]]

A member of G.U.T.S who gains the ability to transform into Ultraman Tiga after coming across the Tiga Pyramid.

Daigo/Tiga Provides examples of:

* CriticalAnnoyance
* DidYouJustPunchOutCthulhu: [[spoiler: The BigBad is a CthulhuMythos EldritchAbomination named Gatanozoa, who in the CthulhuMythos was actually Cthulhu's son. In this series he's dubbed [[NamesToRunAwayFromReallyFast The Ruler Of Darkness]]. He defeated Tiga's entire race eons ago and beats Tiga easily in their first fight. In the end, Tiga, [[CombinedEnergyAttack merged with the light of every child on Earth to become]] [[SuperMode Glitter Tiga]], overpowers Gatanozoa and completely obliterates him.]]
* HandBlast: Various energy attacks
* HenshinHero
* TheHero
* LightIsGood: As a being of light.
** DarkIsNotEvil: His forms in ''Final Odyssey'', most especially Tiga Dark.
* MultiformBalance: The first ''Franchise/UltraSeries'' hero with such an ability.
* ThemeMusicPowerUp
* TransformationTrinket: The Spark Lance

!!Rena Yanase

->Played by: Takami Yoshimoto

* AcePilot: Although with rather limited effectiveness against the various [[MonsterOfTheWeek Monsters of the Week]].
* TheLancer
* OfficialCouple: With Daigo. Especially in the post-series films.
* ParentalAbandonment: In episode 7, it's revealed her father ran away to the space station after promising some lipstick for her birthday. They eventually make up.
* SecretSecretKeeper

!!Megumi Iruma

->Played by: Mio Takagi

* TheCaptain: of G.U.T.S
* SupportingLeader

!!Seiichi Munakata

->Played by: Akitoshi Ohtaki

* GuyInBack: He gives commands while sitting at the back of the jet.
* NumberTwo
* TheTeetotaler: Orders milk at the bar, even when Iruma's buying!

!!Masami Horii

->Played by:Yukio Masuda

* TheComicallySerious: Has his moments.
* KansaiRegionalAccent
* TheSmartGuy

!!Tetsuo Shinjoh

->Played by: Shigeki Kagemaru

!!Jun Yazumi

-> Played by: Yoichi Furuya

* MissionControl

[[folder:Monsters and Aliens]]

Various monsters faced by G.U.T.S and Tiga throughout the series.

The monsters in general provide examples of:

* {{Kaiju}}
* MonsterOfTheWeek
* PeopleInRubberSuits

Miscellaneous specific monsters provide examples of:

* AdultFear: A lot of monsters seem to reflect societal fears - Giranbo gives out drugged candy on Halloween, and kidnaps the children who take it. Gijera produces pollen that addicts anybody who breathes it, leaving them blissful and apathetic, and so on.
* MonsterIsAMommy: Inverted in episode 46. The monster was ''looking for'' its mommy.
* PokemonSpeak: Both versions of Kyrieloid only "speak" by saying "kiri" in repetition.
* RoboticReveal: [[spoiler:Geozark in episode 43.]]
* TakenForGranite: An ability used by the Gakumas in episode 2. Gatanozoa possesses it as well.
* TheUndead: Sealizer was first discovered as a corpse.
* WeakenedByTheLight: One of the Standel aliens in episode 17.

An ancient, reptilian monster from Earth's oldest past, Golza and his partner Melba reawakened in modern times to locate and destroy the statues of the Giants of Light. Eventually, Ultraman Tiga was revived and defeated Melba while Golza, weakened, fled underground. He later returned powered up as Fire Golza, but was killed once and for all by Tiga.
Being the very first kaiju from the Heisei Ultra Series, Golza is one of the most popular monsters of the franchise and has frecuently returned in recent entries in the series. Starting with ''Ultra Galaxy Mega Monster Battle'', he was officially added to the main Showa continuity.

* ArtEvolution: In ''Ultraman Dyna'', he gains a more bulky, muscled design and a smaller head. As Fire Golza, the white spots on his body are now red and there are several vein-like growths covering his skin. His current design is based on his very first appereance, but his head is somewhat similar to Golza II's.
* BackFromTheDead: Was resurrected in ''Ultraman Dyna''.
* BreathWeapon: Golza II shoots his Ultrasonic ray from his mouth rather than his forehead.
* TheBrute: A rather strong monster.
* CanonForeigner: He only existed in the Tiga universe before being added to the Main Showa universe in ''Ultra Galaxy Mega Monster Battle'', where he has met and fought many Showa kaiju. This continues in the Ginga and X universes as well.
* EverythingSBetterWithDinosaurs: Stated to be a "Super Ancient Monster" and greatly resembles one.
* ImplacableMan: Kate's Fire Golza from ''Ultra Galaxy'', who basically lets Gomora spray his Super Oscillatory Ray at him for an extended period of time and takes it without any injury, stress or effort, and everything Gomora throws at him is useless. Even after a repeated assault by ZAP Spacy and Gomora tries to destroy him from the inside out by stabbing his chest with his horn and firing the SOR, but he YANKS it out. He still survives and is only killed when his own ally accidentally shoots him, finally giving him enough punishment for the brute to expire.
* MascotMook: Is this for ''Ultraman Tiga''.
* TheJuggernaut: Specially noticeable in the first ''Ultra Galaxy''.
* PlayingWithFire: Gains this powers as Fire Golza.
* PurpleIsPowerful: Is able to shoot an ultrasonic ray of purple energy from his forehead.
* SignatureRoar: [[https://www.youtube.com/watch?v=WlwuBvwpuqo A loud guttural growl followed by a high-pitched screech.]]
* TookALevelInBadass: As Fire Golza, he absorbed so much heat it gave him a new set of fiery powers, and was only killed once and for all when Tiga hurled him into an erupting volcano. Golza II is way buffer and possesses new habilities, which he used to give Dyna quite a hard time. And Kate's Fire Golza is definitely the worst of the bunch, being able to take all the punishment Gomora and the ZAP Spacy throw at him before finally going down.
* VillainTeamUp: in ''Ultra Galaxy'', normal Golza teams up with Telesdon to take on Gomora, and Kate's Fire Golza is partners with Gan-Q until a misfired shoot from the latter kills him. In the movie of the series, Fire Golza is resurrected by Belial and teams up with Eleking, King Joe Black, Doragory, Verokron, Banpira, Gan-Q, King Pandon, Nova, Alien Metron and Alien Guts to take on Ultraseven.
** In ''Ultraman X: The Movie, Here comes our Ultraman!'' a new version of Fire Golza named Gorg Fire Golza is created by [[Main/BigBad Zaigorg]] to be his henchman alongside Antlar.








!Alien Regulan






!Alien Raybeak

!Alien Muzan

!Rucia & Zara

!Sakuna Oni

!Abolubas and Redle

!Fire Golza

!The Gobunyu





!Alien Naga






!Alien Nataan

!King Molerat




!Alien Deshimo




!Alien Manon






!Geo Shark









The Ruler of Darkness.

* BigBad: of the series.
* DarkIsEvil
* EldritchAbomination: The character is even derived from Ghatanothoa in the CthulhuMythos.

[[folder:Other Characters]]
! Keigo Masaki/Evil Tiga

A MadScientist descended from the ancient race. He has DNA similar to Daigo.

* BackForTheFinale: [[spoiler:He is enlisted to help revive Tiga who had reverted to a statue after battling Gatanozoa.]]
* EvilCounterpart: As Evil Tiga, his powers are similar to those possessed by Ultraman Tiga in Multi Type.
* HandBlast: His own energy attacks
* LightIsNotGood: Evil Tiga is a being of light, similar to Tiga. Although his energy attacks take a more "dark" appearance compared to Tiga's.
* MadScientist

! Gardi

The pet of the Ultra who would become known as "Evil Tiga"

* KickTheDog: The role in the series.
* ShootTheDog: Sadly so.
* TragicMonster