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Alien Bell (ベル星人 Beru Seijin) are a race of alien creatures from Planet Bell that appeared in Ultraseven. He traps people in an alternate dimension called Dimension X, where he chases them or sends monsters of his creation after them for his own amusement.

Subtitle: Wave Phantom (音波怪人 Onpa Kaijin)



Alien Bell's motif is that of a cricket.



The Ultra Guard were training skydiving maneuvers one day, Amagi and Soga became were the last ones to jump due to Amagi being scared because he was high in the air and needed Soga to push him off. After a long time the rest of the Ultra Guard started to wonder were Amagi and Soga were, and the pilots of the plane didn't know anything about their location.

Back with Amagi, he woke up still in his parachute hanging in trees. After he freed himself he quickly found Soga's parachute with a warning on it, Amagi was confronted by the giant Alien Bell who left after Amagi shot him. Amagi then quickly reunited with Soga. They were then attacked by monsters created by Bell which were easily defeated but were then attacked by the man seized Gumonga who was seemingly killed.

Not long after the Ultra Guard received a call from Amagi and Soga stating they were on a floating island in earth's atmosphere. The Ultra Guard sent a rescue party at once and found Alien Bell's "Dimension X". Not long after they found the bizarre world, they found Amagi and Soga still under attack by Gumonga, some Suflans, and space plants. Dan Moroboshi kept Gumonga busy while cap Kiriyama and Anne would pull Soga and Amagi away from the space plants. When returning to the ship, Alien Bell would reappear and make a sonic sound so high everyone but Dan was knocked out. Dan then transformed into Seven. At first Alien Bell had the upper hand but Seven quickly overcame this and forced Alien Bell to fly away. Seven gave chase and would continuously try to bring Bell back in to the Space X but every attempt failed. Seven then blasted Bell out the sky. Bell then landed in the polluted waters he made for Space X. Ultraseven and Bell continued to battle with Bell losing. Ultraseven finally threw Bell into deeper water were he started to dissolve. Seven then turned back into Dan and reunited with the others and escaped the dissolving Dimension X.



  • Height: 60 m
  • Weight: 18,000 t
  • Origin: Planet Bell
  • Weakness: If Alien Bell is immersed in water, he will begin to dissolve.
Powers and Weapons
  • Dimension X: Alien Bell can manufacture a dimension of his own, named Dimension X. In this dimension, he can create whatever he desires to trap, injure or even kill his enemies.
  • Flight: Alien Bell can fly at high speeds.
  • Strength: Alien Bell is strong enough to lift and throw Ultraseven.
  • Exoskeleton: Alien Bell has a thick exoskeleton that can deflect the likes of Ultraseven's Eye Slugger, the only weak spot is its wings.
  • Teleportation: By making holograms of himself, Alien Bell can teleport at will.
  • High-Frequency Sound: Alien Bell can emit a very painful and damaging high-frequency sound from his "mouth". This sound has a painful effect on living creatures, as it interrupts brain waves. True to his name, this sound is similar to bell rings.





Ultraseven Kaiju
Ultraseven Windom | Alien Cool | Alien Waiell | Human Organism X | Alien Pitt | Eleking | Miclas | Alien Godola | Alien Bira | Alien Pegassa | Alien Quraso | Alien Metron | Alien Chibull | Zero One | Alien Icarus | Alien Wild | Nurse | Alien Spell | Alien Iyros | King Joe | Alien Pedan | Annon | U-Tom | Alien Bell | Blood-Sucking Acari | Gumonga | Suflan II | Alien Bado | Alien Shaplay | Giradorus | Iron Rocks | Alien Mimy | Alien Braco | Alien Talk (Unaired) | Gabura | Alien Shadow | Alien Kanan | Gandar | Alien Poll | Star Bem Gyeron | Alien Borg | Dinosaur Tank | Alien Kill | Alien Prote | Alien Platic | Darii | Rigger | Agira | Shadowman | Alien Uley | Dancan | Petero | Alien Zamppa | Alien Pega | Alien Magellan | Alien Banda | Crazygon | Alien Guts | Aron | Tepeto | Alien Tepeto | Guyros | Nonmalt | Robot Chief | Robot Commissioner | People of the Fourth Planet | Alien Goron | Gorry | Alien Perolynga | Alien Salome | Imitation Ultraseven | Alien Hook | Pandon | Reconstructed Pandon | Alien Ghose
Heisei Ultraseven Alien Pitt | Eleking III | Alien Metron | Dinosaur | Alien Viyell | Alien Guts | Sulfas | Banderas | Alien Valkyrie | Daitekkai | Alien Galo | Alien Kyuloo | Alien Remojo | Bolajo | Dairyuhkai | Otohime | Rahakam Stone | King Joe II | Nonmalt | Zabangi | Dragonic Saucer | Alien Pegassa | Alien Godola | Neo Pandon | Alien Garut | Plant Life form | Gaimos
Ultraseven X Galkimes | Unidentified alien criminal | Alien Markind | Peginera | Alien Vo-Da | Alien Chamuda | The Soul of Light | Alien Vairo | Vadoryudo | Hupnath | Jyuujin | Saku | Grakyess | Mecha Grakyess