|Home world:||Planet Virenus|
|First appearance:||Fireman Episode 25: "The Alien with no Home Planet" (1973)|
|Height:||1.9 ~ 50 m|
|Weight:||120 kg ~ 2 million t|
Subtitle: Laser Phantom (レーザー怪人 Rēzā Kaijin?)
- Height: 1.9 ~ 50m
- Weight: 120 kg ~ 2 million t
- Origin: Cygnus/Vuirenasu star
- His growing pose for his size changing is similar to an Ultraman's.
Powers and Weapons
- Energy Beams: Alien Virenus can launch beams of red energy from his eyes. When at a human size, they can be used to stun victims. When grown to giant proportions, they can create missile-like explosions upon impact.
- Energy Blasts: Alien Virenus can charge and throw energy blasts from his hands.
- Size Change: When needed, Alien Virenus can change his size from that of a human’s to that of a giant’s and back again.
|Fireman Kaiju & Seijin|
|Dorigorus | Dorigon | Stegorus | Alien Meteor | Jurasairous | Planet Gomerus | Spacer | Kinokurages | Twin Tail | Kumagorus | Gudon | Stegorus II | Nerogiras | Alien Baranda | Baranda V | Scoradon | Alien Barogu | Terasaurous | Dorango | Chiranodan | Lanosaurus | Terasaurous II | Long Neck | Alien Sulpher | King Zauras | King Zauras II | MukuMuku | Makurosaurous | Gagango | Double God | Death Torosaurus | Alien Green | Green Giller | Haromongan | Destrosaurous | Alien Virenus | Gadorasaurous | Blacker | Black Satan | Alien Emusa | Bemutan | Devilsaurus | Bemusa King | Speguzu | Speguzu Jr. | Dark Mander | Planetship X|