Vacuumon (バキューモン Bakyūmon) was an alien entity that appeared in episode 23 of Return of Ultraman.

Subtitle: Dark Monster (暗黒怪獣 Ankoku Kaijū)


  • Height: Infinite
  • Weight: Infinite
  • Origin: Space


Return of Ultraman

A cosmic world-eating menace, Vaccumon set his sights on Earth shortly after a solar eclipse, proceeded by the arrival of Zanika, a space creature from one of the planets eaten by the nebula-like monster. On his way, the nebula-like beast sucked planets into his gaping mass at an astonishing rate. Meanwhile, on Earth, a woman began having insane rantings, warning something was coming, that something being Vaccumon. Zanika alerted Ultraman Jack to the space monster, causing him to fly into the creature’s stomach and begin using the Ultra Bracelet, which transformed into a sword, to slash and tear through the beast’s innards, killing Vaccumon. With his death, all the planets Vaccumon had eaten were released.


  • Vacuumon would later inspire the monster Gransphire, in Ultraman Dyna. Until then, it is arguable that Vacuumon was the most powerful Ultra Kaiju in the franchise's history.
  • Vacuumon, as well as Zanika, were referenced by the Spark Doll troupe in New Ultraman Retsuden episode 27.

Powers and Weapons

  • Planet Consumption: Vacuumon can devour entire planets in mere moments.
    • Size Increase: As it consumes planets, Vacuumon grows in size.


Return of Ultraman Kaiju & Seijin
Takkong | Zazahn | Arstron | Sadola | Detton | Kingsaurus III | Gudon | Twin Tail | Gorbagos | Ghostron | Dangar | Stegon | Mognezun | Shugaron | Seamons | Seagorath | Eledortus | Terochilus | Bemstar | Sartan | Magnedon | Beacon | Gokinezula | Zanika | Vacuumon | Kupukupu | Kingstron | Zagoras | Nokogilin | Gronken | Varricane | Yadokarin | Oxter | Plooma | Alien Zelan | King Maimai | Alien Mates | Muruchi | Leogon | Pris-Ma | Draculas | Re-Seagorath | Re-Bemstar | Black King | Alien Nackle | Alien Varduck | Alien Black | Snowgon | Alien Baltan. Jr | Builgamo | Alien Stora | Paragon | Alien Grotes | Kodaigon | Granadas | Alien Centaurus | Robonez | Alien Cygnus-61 | Alien Messie | Alien Zoole | Red Killer | Femigon | Yametaranese | Sasahiller | Alien Ateria | Alien Mysteler | King Bockle | Alien Bat | Zetton II
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