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Alien Prote (プロテ星人 Purote Seijin) was an alien that appeared in the TV series, Ultraseven.

Subtitle: Space Spy (宇宙スパイ Uchū Supai)



Alien Prote's name came from the Greek word "Prometheus".



It was an average day in Japan, but as a woman walked through a building at a university, she heard a crash, opening the door to see a strange creature, causing her to run. Afterwards, Alien Prote, the latest alien to appear on Earth, took the form of a human scientist, heading back into the room after making sure she’d left. He had befriended a young man with few friends to use as a pawn in his plans and to keep suspicion off of himself. As a member of the Ultra Guard visited the campus, he became aware of the strange happenings, deciding to investigate the professor whom Alien Prote was disguised as. However, as she drove Prote’s Earth friend home, he suddenly grabbed the steering wheel when she explained a friend of hers was from the Ultra Guard, eventually crashing the car, he then confronted her, mocking and threatening her. Before anything that made sense could be gathered, the Ultra Guard arrived.

Later, Alien Prote was confronted by a member of the Ultra Guard sent to spy on him, but when shots were fired, Prote was unharmed and fired back, knocking him out and crushing his communicator. The alien then commanded another member of his species in space to begin their operations. The Garrison member asked him what he was doing, after explaining their plan to steal satellites in space and utilize mankind’s dependency on them in a bid to conquer the Earth, and mocking him, he teleported off to report to the man who’d tried to capture the woman earlier, allowing him into his lab but after revealing his true evil plans to the boy, the earth-man attacked. Soon, the two struggled and Prote shed his guise to try to kill the witness.

Thankfully, Dan arrived to investigate his missing comrade and broke in, the two beginning to battle, leading Dan to transform into Ultraseven to continue their fight. Soon, both took the battle to the campus outside and grew to full size to do battle. However, Alien Prote’s invisibility and illusions kept Ultraseven busy until he finally managed to seemingly behead the alien, only for him it to be a copy and disappear, soon, two Protes confronted him, Ultraseven unsure of which was real and which a fake. Meanwhile, Alien Prote’s subordinate began stealing satellites in space. The Ultra Guard pursued the alien, only for him to vanish as well. Back on Earth, Ultraseven turned invisible as well and lured the being out, then used a paralyzing beam to attempt the Wide Shot, but Prote broke free before Ultraseven could. While Ultraseven was busy dealing with illusions, the true Prote returned to his lair, trying to teleport off, only for his earth friend to grab on as well, causing the teleported to short circuit and explode, vaporizing the Earthling and the alien invader, making the illusionary Prote to vanish. Ultraseven flew into outer space and saved the satellite, allowing the Ultra Guard to blow up the Prote Saucer, ending their threat.


  • Actor: Masahiko Naruse
    • The same man would later portray Robot Chief in episode 43, as well as the human form of Alien Nackle in the following series.
  • Suit actor: Tetsuo Yamamura
  • Canadian English Voice Actor: Walter Massey

Alien proteUS.png

  • Alien Prote is one of the monsters that makes up Belyudra's right arm (specifically on the palm) in Mega Monster Battle: Ultra Galaxy Legends The Movie.
  • In the middle-to-late 1990s, footage of Alien Prote was used for the TNT, TBS and Cartoon Network show Cartoon Planet. Alien Prote footage was used to depict the girlfriend of Shiny Boy (really Ultraseven), an alien in the recurring sketch entitled 'Messages from Outer Space' that would feature other Ultraseven Kaiju broadcasting to Space Ghost, Zorak and Brak on Cartoon Planet. In the featured message, he was the girlfriend of Shiny Boy from the Garden Planet of Vegemite in the Camden Nebula.
  • In the TNT English Dub, he was called Gurk of Anteron.


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  • Height: 1.7 ~ 46 m
  • Weight: 100 kg ~ 12,000 t
  • Origin: Planet Prote, 7th Planet of the Cylius Galaxy
Powers and Weapons
  • Human Disguise: Alien Prote can disguise himself as a human. While in this disguise he can phase through projectiles like bullets and emit lightning bolts from his fingers.
  • Prote Saucer: Alien Prote can command a saucer from far away designed to steal satellites.
  • Illusions: Alien Prote is capable of casting powerful illusions, confusing his opponents, with such things as the image of his floating head.
  • Invisibility: Alien Prote can become invisible at will.
  • Clones: Alien Prote can create clones of himself to fight for him. These are able to act independently from the original and even fight, allowing Prote to take care of other matters while they fight his enemies for him. It is not certain if these are part of his illusion powers
  • Bolt Bind: Alien Prote can fire a bolt of energy from each ear that can bind enemies in place, although this has little effect on Ultras.




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