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Home world: Planet Earth (Cosmos Universe)
First appearance: Musashi's Sky
Latest appearance: Ultraman Saga
Height: 53 m
Weight: 59,000 t
Category: Kaiju
Affiliation: Ultraman Cosmos
Roar(s): TBA

Bolgils (ボルギルス, Borugirusu?) is a monster in from Ultraman Cosmos.

Subtitle: Blitz Monster (電撃怪獣, Burittsu Kaiju?)


  • Height: 53 m
  • Weight: 59,000 t
  • Origin: Near SRC Space Development Centre


Ultraman CosmosEdit

Bolgils was a monster that arose from underground to feed on energy. It was first met by opposition from EYES when they tried to subdue the monster with an energy net, but Bolgils's crystal easily absorbed it. After shooting at Musashi's jet in frustration, Bolgils burrowed away feeling threatened. Bolgils rose once again to feed on the energy of SRC's facility. Even after the new invention of the Techno Plasma, Bolgils continued his assault to try and feed. Finally Musashi transformed into Ultraman Cosmos to battle the monster himself, and despite the battle seeming evenly matched, Ultraman Cosmos stopped Bolgils's hunger by sending the monster to sleep with the Luna Pure.

Bolgils was then sent to Kapuya Island where he would live with other monsters that's rampages were stopped by Cosmos. During his time on the island, Bolgils made good friends with the mole monster Mogrudon. During Chaos Darkness's final attack on Earth, Bolgils (as well as Lidorias and Mogrudon) assisted Ultraman Cosmos in weakening Chaos Darkness long enough for Ultraman Cosmos to purify the evil entity once and for all.


  • Bolgils's roar is a reused Reigubas roar.

Ultraman Cosmos Vs Ultraman Justice: The Final BattleEdit

Bolgils would later be seen in the film, Ultraman Cosmos vs. Ultraman Justice: The Final Battle where he would team up with Lidorias, Golmede, and Don Ron in battling against the Gloker armies. At first the monsters had the upperhand in taking down the Gloker Pawns, but were soon beaten and driven off once the Glokers transformed into Gloker Rook.


  • The Bolgils suit from Ultraman Cosmos was reused for Bolgils appearance in the film.

Ultraman SagaEdit

Bolgils reappeared in the film, Ultraman Saga.

Several Bolgils, large and small, are seen with other monsters on Planet Juran along with Musashi and his family. During the mid credits, an adult Bolgils and a juvenile watch the sunset from a cliff, with Musashi and his family riding on top of the juvenile.


  • The Bolgils suit from Ultraman Cosmos was reused, repainted and repolished for Bolgils appearance in the film.
  • During the sunset scene, the animators used computer effects to make it look like there were two Bolgils.

Ultraman Orb: The Origin SagaEdit

Bolgils reappears in the series spin-off of Ultraman Orb. In the trailer of the next episode, only the back and tail of the monster is seen.


  • The Bolgils Suit from Ultraman Saga will be reused for Bolgils' appearance in the series.

Powers and WeaponsEdit

  • Energy Absorption: The crystal on Bolgils's back can absorb energy that comes into contact with the monster.
  • Fireballs: Bolgils can spit fireballs from his mouth, medium in strength.
  • Burrowing: Bolgils can burrow at medium speeds.



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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