Ultraman Wiki

Mudon (ムードン Mūdon) is a Kaiju from the tokusatsu series, Ultraman Cosmos. She appeared in episode 11.

Subtitle: Skeletal Dinosaur (骨格恐竜 Kokkaku Kyōryū)


Ultraman Cosmos

Small but violent tremors occurred at a drilling area which appeared to be Mudon waking up from a long sleep. EYES noticed the threat as well as Musashi Haruno. As the huge dinosaur skeleton like creature was about to stomp on several construction workers, Musashi transformed to Ultraman Cosmos and fought the monsters. EYES found out Mudon was acting crazy because they were holding Mudons child captive inside a cardboard cutout of a baby. They had to release the child or they would die from Mudons destruction. Ultraman Cosmos kept fighting Mudon. But luckily for EYES before Mudon could charge at Cosmos, they manage to make the child chirp at his mother stopping Mudon in her tracks. when she turned around and even though it was a decoy, Mudon realized it was her son. Deputy Shinobu watched in excitement and romance as they both reunited with each other. Cosmos used the realize ray to release the child out of the cutout. Mudon came in contact as she held the infants hand turning her to dust.


  • Mudon's real name is Muranocraphdon (ムラノクラフドン Muranokurafudon), which is an extinct dinosaur species. Energy reaction from the Chaos Header caused Muranocraphdon to be reanimated into an exoskeletal monster.
  • Mudon was named by Ayano, from the English word "Don't move".


  • Height: 63 m
  • Weight: 76,000 t
  • Origin: Higurashi Town Construction site Tunnel
Powers and Weapons
  • Sharp Horn: Mudon is able to penetrate her opponents easily and cause them to bleed by stabbing them with her horn.
  • Burrowing: Mudon can burrow at moderate speeds.

Illusion Mudon

Cardboard Cutout

Illusion Mudon

  • Height: 8 m
  • Weight: Unmeasurable
  • Origin: Materialized giant carricatur of actual baby Mudon
Powers and Weapons
  • None



Ultraman Cosmos Kaiju
Ultraman Cosmos: The First Contact Alien Baltan (Basical, Shirubyi) | Don Ron | Clevergon
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 | Ghighi | 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 | Helzzking | Neldorand II | Chaos Neldorand II | Puratea | Exter Raider | Sydevakter | Delgoran | Chaos Delgoran | Sol | Taildas Mechalator | Alien Nowar | Neldorand Mechalator | Ghighi Dr. XX01 | Mugera | Alien Kyulia | GiriBanes | Waroga II | Alukela | Snow Stars | Vadata | Mazalgas | Chaos Mazalgas | Sangelu | Alien Carpcis | Arados | Ragstone Mechalator | Tablis | Mitoru | Gamoran II | Kawanoji | Gruanfan | Giragas | Alt-Helzzking | 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 | Delacion