Home world: Different dimension
First appearance: Ultraman Cosmos episode 24 "Warm Memories"
Latest appearance: None
Height: 60 m
Weight: 56 000 t
Category: Kaiju
Affiliation: None
Roar(s): TBA

Gragas (グラガス Guragasu?) is an electromagnetic beast that appeared in Ultraman Cosmos.

Subtitle: Electromagnetic Demon Beast (電磁魔獣 Denji-maju?)


  • Height: 60 m
  • Weight: 56 000 t
  • Origin: Different dimension


Ultraman Cosmos

One day at the Kanna City, a strange phenomenon happened where recently, electronic appliances stops working. The monster named Gragas was the one who behind this. However, he was only visible to a boy whom tried to warn everyone but nobody awares him except Ayano where tried to tell Ayano about this even in various places. It was revealed that the boy was actually in coma and his spirit separated from his body while trying to warn everyone on Gragas threat but Ayano was the only one that can see him due to the fact that they had met each others as a child. With Gragas appeared again, enlarged, Musashi transforms into Cosmos and put into a fight. With Cosmos Corona Mode gained the upper hand, Gragas "surrendered" as Cosmos decided to leave him but the monster instead attacked the Ultra again. Enraged, Cosmos put an end to him via Corona Blazing Wave.


  • Suit actor: Kazunori Yokoo

Powers and Abilities

  • Invisibility: Gragas can turn himself invisible but this eventually visible to spirits.
  • Size Change: Gragas can grow into giant size.
  • Electromagnetic Field: Gragas can create a field which disable communication devices.
  • Tentacles: Gragas can unleash two tentacles to latch on the opponent.
    • Electric Shock: Then, Gragas can sent the opponent a electric shock.
  • Electric Bombs: Gragas can fire electrical bombs from his hands.
  • Flight: Gragas can fly as means of travel.


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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