Villains from Science-Fiction (Sci-Fi for short) genre works - science-fiction is based on scientifically-possible worlds or settings without the use of fantastical elements such as magic or the supernatural : however as the genre evolved it grew many subgenres and sometimes the line between science-fiction and fantasy blurred.. thus there is "hard" sci-fi (which focuses on the scientifically probable), "soft" sci-fi (which employs less probable or outdated scientific themes) and science-fantasy (in which science is merged with fantasy, often to the point is is considered a twin-genre of *both* science fiction and fantasy).
Sometimes works that began as theoretical stories (sci-fi) become science-fantasy over time as knowledge of science increases : this is especially true of early works from 1950s, 60s or earlier - where they incorporate fantastical ideas that at the time were seen as plausible but in modern times are resigned purely to fantasy of psuedo-science.
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Willy Tybur -
Marley -
Syndrome -
The Seven -
Monsters (A Quiet Place) -
Serpent's Hand -
Billy Butcher -
Tsukasa Shishio
All items (5009)
- A Brighter Dawn
- A-Virus
- A.I.M.S.
- A.R.C.
- Aaron Starkey
- Abaddon (Torchwood)
- Aber Rindt
- Abigail (Metal Slug)
- Abir (Dead Air)
- Abstergo Industries
- Abul Abbas
- Abyssal Twin Princesses
- Abzorbaloff
- Accelerator
- Ace (SteamWorld)
- Ace Killer
- Achilles (Cyborg 009)
- Achilles Davenport
- Acid Man
- Acolytes (Warframe)
- Acomat
- Acqua of the Back
- Acxa
- Adam (NieR:Automata)
- Adam Hart
- Adam Mitchell
- Adam Monroe
- Adam Smasher
- Adam Smith
- Adam Weishaupt
- Adamski
- Adder (Advance Wars)
- Adelaide Wilson
- Adipose
- Adiposo
- Adjutant Booba
- Adjutant Shiima
- Admiral Cartwright
- Admiral Daro'Xen
- Admiral Greyfield
- Admiral Han'Gerrel vas Neema
- Admiral Majin
- Admiral Orlock
- Admiral Porter
- Adolf Hitler (Doctor Who)
- Adolf Hitler (Futurama)
- Adolf Hitler (Red Dwarf)
- Adolf Hitler (Star Trek)
- Adolf Hitler (Super Science Friends)
- Adolf Hitler (Wolfenstein)
- Adorians
- Adria
- Adrian Griffin
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- Advent Coalition
- Agata
- Ageha Takeda
- Agency Director
- Agent Abrella
- Agent Bishop
- Agent Brown
- Agent Franklin
- Agent Goodman
- Agent Haggard
- Agent Henderson
- Agent Jack Burns
- Agent Jackson
- Agent Johnson (The Matrix)
- Agent Jones
- Agent Kruger
- Agent Morrisey
- Agent Red
- Agent Smith
- Agent Smithson
- Agent Thompson (The Matrix)
- Agent Underville
- Agent Whiskey
- Agents
- Agents of Crash
- Agents Schiff and Calderon
- Agnese Forces
- Ah-Kel
- Ai-Jinn
- AIDAN
- Aiden Price
- Aiguille Delaz
- Aina Sahalin
- Air Elementor
- Air-Walker
- Airachnid
- Airazor
- Aircraft Carrier Demon
- Akaba
- Akai (555)
- Akan
- Akelons
- Akemine Miyuki
- Akhaten
- Aki Sawada
- Akihiko Kayaba
- Akuninkaijin
- Akyanba
- Al Mualim
- Alad V
- Alan Jonah
- Alan Rikkin
- Alarak
- Alaskan Base Offficer
- Alaya
- Albedo Piazzolla
- Albert Lester
- Albert Wesker
- Albina
- Alcazar
- Alejandro Corner
- Alex (A Clockwork Orange)
- Alex (Lockout)
- Alex Grey
- Alex Hopkins
- Alex Kryeck
- Alex Mercer
- Alex Rosewater
- Alex Wesker
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- Alex's Droogs
- Alexander Isaacs (Clone)
- Alexander Slater
- Alexander Thorkel
- Alexander Toombs
- Alexei Stukov
- Alexia Ashford
- Alexia Ashford (The Darkside Chronicles)
- Alfred Ashford
- Alfred Bester
- Algol
- Alhambra Bugster
- Ali Al-Saachez
- Alice (Transformers)
- Alien (ExtraTERRORestrial Alien Encounter)
- Alien (Red vs. Blue)
- Alien (The Hidden)
- Alien (Without Warning)
- Alien Babarue
- Alien Baltan
- Alien Bat
- Alien Empera
- Alien Fruit Monster
- Alien Guts
- Alien Hipporito
- Alien Magma
- Alien Mefilas
- Alien Nackle
- Alien Parasites
- Alien Rayblood
- Alien Shaplay
- Alien Temperor
- Alien Union
- Alien Valky
- Alien Zarab
- Alienizers
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- Aliens (Alien Abduction)
- Aliens (Attack the Block)
- Aliens (Bad Taste)
- Aliens (Calvin and Hobbes)
- Aliens (Fire in the Sky)
- Aliens (The Faculty)
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- Aliens (The Puppet Masters)
- Aliens (The Screwfly Solution)
- Aliens (The Watch)
- Alistair Krei
- Alistair Smythe (The Amazing Spider-Man Video Games)
- Allen (ATHF)
- Allen O' Neil
- Allistair Tenpenny
- Allium Gyojan
- Almighty Tallests
- Alpha (Heroes United)
- Alpha-Omega
- Alus
- AM
- Amadeus
- Amadeus Syndicate
- Amagi Kureshima
- Amanda (Detroit: Become Human)
- Amata Kihara
- Amazonia (Wild Wild West)
- Ambassador Mervin
- American Empire
- Amerika