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Gigi (Giant)
Home world: TBA
First appearance: Ultraman Cosmos episode 17 "Trap from the other dimension"
Latest appearance: Ultraman Cosmos episode 44 "Gigi vs Gon"
Height: 52 m
Weight: 47,000 t
Category: Seijin
Affiliation: None
Roar(s): TBA

The Gigi (ギギ Gigi?) are an alien race who appeared in the TV series, Ultraman Cosmos. They appeared in episode 17 and 44.

  • Subtitle: Different Dimension Man (異次元人 I Jigen Jin?)
  • Giant Subtitle: Three Sides Different Dimension Man (三面異次元人 Sanmen I Jigen Jin?)


Ultraman CosmosEdit

Long ago, after their dimension is having a crisis, the Gigi races have a conference meeting. The Scientist-Type chooses not to migrate to Earth since their presence will disturb the human race but the Soldier-Type chooses otherwise and began an invasion scheme.

Three of the Soldier-Type Gigi, Gigi A (red eye), Gigi B, (yellow eye) and Gigi C (blue eye), successfully arrived on Earth and infiltrate the SRC Science Area while disguise themselves as SRC scientists. When Musashi and Hiura went to investigate, they were shrunked and placed in a maze along with the rest of the scientists. Gigi C (Blue Eye) tells them that about 2000 Billion of their species will migrate to Earth and coexist only with humans live as microorganisms. Musashi transforms as Cosmos and foil the Gigis' plans. He battles with Giant Gigi outside as Hiura destroys their transporter, weakening Giant Gigi and enables Cosmos to finish them with the Naybuster Ray.The Different Dimensional Trap

While Professor Sawaguchi was conducting a teleportation experiment, she encountered the Gigi Doctor XX01 (ギギ・ドクターXX01 Gigi dokutā (XX 01)?) who gave her a ring. Sawaguchi is later visited by Musashi, Shinobu and Hiura as the alien communicated to them through the translator on its chest and sought their help to stop the Gigi invasion.

Once Ultraman Cosmos was trapped by the Soldier-type Gigi, that had became another version of Giant Gigi, Dr Gigi XX01 magnified Clevergon into a giant who later assisted Cosmos in finishing the villains. After the battle was over, Dr. Gigi left and bid farewell. Hiura, who was jealous of Dr. Gigi for giving Sawaguchi a ring was then told that Dr. Gigi XX01 was a female Gigi but her masculine voice came from the translator on her chest and the ring she gave her earlier was a sign of trust.Gigi vs Gon


  • Voice actor: Moriya Endo
  • Gigi is based on Dada, due to having:
    • Three alternate faces (gigantic Gigi only).
    • Size-changing gun (Gigi possess a handheld version)
    • Their name is a repeated katakana letters.
    • They have a habit of repeating their names.
  • Gigi Dr. XX01's name references the XX Chromosome pair, responsible for the female gender in humans.
  • In Dark Lugiel's collection in Ultraman Ginga you can see Gigi along with other monsters and aliens.


Gigi (Soldier Type)

The Variants of Soldier-Type Gigi: Gigi A (red eye), Gigi B, (yellow eye) and Gigi C (blue eye)


  • Height: 190 cm
  • Weight: 70 kg
  • Origin: Another dimension


  • Translator: Gigi possess a PDA-shaped translator for communication.
  • Graviton Beam (グラビトンビーム Gurabiton Bīmu?): Gigi can shoot energy blasts from their facial shapes. The color of the blasts correspond with the color of their facial shapes.
  • Shrink Ray: the Gigi are armed with shrink rays that can shrink humans to the size of a mouse.
  • Teleportation: Gigi can teleport long distances.
  • Intangibility: Gigi can walk through objects and walls.
  • Human Disguise: Gigi can disguise themselves into humans to blend in with society.
  • Combine: All three different Soldier-Type Gigi can combine to transform into a giant Gigi.

Gigi (Giant)
Gigi (Giant)


  • Height: 52 m
  • Weight: 47,000 t
  • Origin: Another dimension


  • Graviton Beam (グラビトンビーム Gurabiton Bīmu?): Each facial shape on Gigi can shoot energy blasts roughly the strength of a missile.
  • Teleportation: Gigi can teleport long distances.
  • Acceleration: The gigantic Gigi can accelerate, creating afterimages on its trail.
  • Double Shrink Stomping (Wダブル縮小ストンピング Daburu Shukushō Sutonpingu?): A tag-team attack with Dada. Both draw their shrink guns and shrink the opponents before stomping on them.


Though nearly invincible, the giant Gigi's head is rather weak. They can also be weakened should their portal gate device destroyed.

Gigi (Progress)
Gigi (G)

Another version of the gigantic Gigi, this one was called Gigi (Progress) (ギギ(プログレス) Gigi (Puroguresu)?). Despite being almost identical to the first, the Progress version was upgraded.


  • Height: 52 m
  • Weight: 47,000 t
  • Origin: Another dimension


  • Graviton Beam (グラビトンビーム Gurabiton Bīmu?): Each facial shape on Gigi can shoot energy blasts roughly the strength of a missile.
  • Teleportation: Gigi can teleport long distances.
  • Acceleration: The gigantic Gigi can accelerate, creating afterimages on its trail.
  • Separation: Gigi can separate into three giant normal Gigis in order to siphon the opponent's energy. They can also reform back into Gigi (Progress).
  • Shield: Being upgraded, Gigi (Progress) can now produce a shield that can protect his weakpoint.

Gigi (Scientist Type)
Dr. Ghigi

Doctor XX01, an example of Scientist-Type Gigi


  • Height: 175 cm
  • Weight: 55 kg
  • Origin: Another dimension


  • Translator: Scientists can create a cellphone-shaped translator and place it on their chest.
  • Size Changing Ray: Scientists are armed with a size changing ray gun.
  • Levitation: Scientists can levitate for transportation purposes.


Ultraman CosmosEdit


Ultraman Cosmos Kaiju & Seijin
Ultraman Cosmos: The First Contact Basical Baltan | Don Ron |Clevergon | Alien Baltan (Basical, Shirubyi)
Ultraman Cosmos Chaos Header | Lidorias | Chaos Lidorias | Golmede | Chaos Golmede | Spittle | Igomas | Chaos Bug | Mogrudon | Mienin | Gamoran | Small Inculas | Inculas | Yamawarawa | Geshot | Mudon | Ephemera | Waroga | Galbas | Jelga | Jirak | Chaos Jirak | Gigi | Renki | Alien Migelon | Angrilla | Bolgils | Parastan | Chaos Parastan | Chaos Parastan S | Gelworm M | Gelworm P | Imitation Ultraman Cosmos | Gragas | Alien Srayu | Guinje | Chaos Header Iblis | Zaranga | Baby Zaranga | Eligal | Chaos Eligal | Chaos Header Mebut | Clevergon | Chaos Clevergon | Golmede Beta | Neldorand | Chaos Neldorand | Reycura | Ragstone | Mahagenom | Taildas | Chaos Taildas | Alien Beryl | Hellzking | Neldorand II | Chaos Neldorand II | Puratea | Exter Raider | Sydevakter | Delgoran | Chaos Delgoran | Sol | Taildas Mechalator | Alien Nowar | Neldorand Mechalator | Gigi Dr. XX01 | Mugera | Alien Kyulia | GiriBanes | Waroga II | Alukela | Snowstar | Vadata | Mazalgas | Chaos Mazalgas | Sangelu | Alien Carpcis | Arados | Ragstone Mechalator | Tablis | Mitoru | Gamoran II | Kawanoji | Gruanfan | Giragas | Hellzking Revised | Dolba | Chaos Dolba | Eligal II | Chaos Eligal II | Chaos Darkness
Ultraman Cosmos 2: The Blue Planet Parastan | Scorpiss | Sandros | Reija | Alien Gyashi | Shirubyi
Ultraman Cosmos vs. Ultraman Justice: The Final Battle Gloker Pawn | Gloker Mother | Mienin | Lidorias | Golmede | Don Ron | Bolgils | Gloker Rook | Gloker Bishop | Alien Gyashi | Shirubyi | Giga Endra | Delaxion

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