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Signalion (シグナリオン Shigunarion) was a Terrible-Monster from the TV series, Ultraman Ace.

Subtitle: Signal Terrible-Monster (信号超獣 Shingō Chōjū)


Ultraman Ace

A Terrible-Monster that was owned by Alien Revole that had attacked the Tokyo Signal Cabin. The Terrible-Monster was seen killing the driver. After Revole retreated, he summoned Signalion again. Using its blinding signal flashes, the creature caused havoc by destroying buildings and vehicles, while Seiji Hokuto attempted to fight the monster on foot, before transforming into Ultraman Ace.

Ace begin to assault the Terrible-Monster with punches and kicks. Signalion however began to fight back. The fight quickly became equally matched. However, during the tide of the battle, Signalion used its signal flash to to stun the Ultra. Not wasting the opportunity, Signalion began to shock Ace with its signal beams. Fortunately, Ace overcame the shock effect and shot the Terrible-Monster with his Metalium Beam causing it to evaporate after one last anguish filled cry. Mass Chaos in Tokyo! Traffic Signals Gone Haywire


Signalion on Belyudra's nape


  • Height: 43 m
  • Weight: 30,000 t
  • Origin: Yapool's Dimension, Planet Revole
Powers and Weapons
  • Signal Smoke: Signalion can release three different kinds of smokes:
    • Red: heat,
    • Yellow: Signalion goes mad,
    • Blue: causes evaporation.
  • Signal Beams: Signalion can shoot a beam from each of the three traffic lights on its head. The beams have an electric effect.
  • Traffic Signal Manipulation: Signalion can turn regular signals into weapons.


Ultraman Ace Kaiju
Verokron | Yapool | Chameleking | Vakishim | Garan | Aribunta | Giron Man | Brocken | Alien Metron Jr. | Doragory | Muruchi II | Gammas | Zaigon | Alien Antira | Unitang | Sabotendar | Baraba | Ace Killer | Ace Robot | King Crab | Cattle God | Cowra | She-Devil | Hotarunga | Black Pigeon | Android Couple | King Kappa | Zemistlar | Aprasar | Aprasar Fairy | Space Mask | Black Satan | Giant Yapool | Mazaron Man | Yojo | Mazarius | Alien Orion | Sphinx | Alien Hipporit | Lunaticks | Undergroundmon | Gitagitanga | Red Jack | Baktari | Coakes | Bad Baalon | Kaiteigagan | Dreamgillas | Soundgillar | Machless | Snowgiran | Namahage | Alien Fire | Firemons | Alien Steal | Kaimanda | Shishigoran | Iceron | Woo II | Fubugirara | Onidevil | Gasgegon | Daidarahoshi | Hanzagiran | Verokron II | Yapool Woman | Univerlages | Aquarius | Alien Revole | Signalion | Geegon | Alien Simon | Jumbo King