Examples

Literature

  • Goosebumps:
    • Creeps
    • Egg Monsters
    • Body Squeezers
    • Arcturans
    • Splatters

Comic Books

  • Marvel:
    • Loki
    • The Black Order
      • Thanos
      • Ebony Maw
      • Cull Obsidian
      • Proxima Midnight
      • Corvus Glaive
    • Skrulls
    • Chitauri
    • Ronan the Accuser
    • Kree
    • Supreme Intelligence
    • Ego the Living Planet
  • DC:
    • Darkseid
    • Atrocitus
    • Brainiac
    • Sinestro
    • Despero
    • Komand'r/Blackfire

Live-Action

  • Xenomorphs (Alien film series).
  • Predator/Yautja/Hish-Qu-Ten (Predator film series).
  • Evil Space Aliens (Mighty Morphin Power Rangers)
  • Decepticons (Transformers).
  • The Harvesters (Independance Day).
  • Martians (Mars Attacks).
  • Zorgons (Zathura).
  • Men in Black franchise:
    • Edgar the Bug
    • Serleena
    • Jarra
    • Jeff
    • Boglodite
    • Boris the Animal
    • Riza Stavros
    • The Twins
    • The Hive
  • Martians (War of the Worlds).
  • Pilot X (Freaky Flyers).
  • Baltans (Ultraman).
  • Emperor Mavro (Power Rangers Super Megaforce).
  • Godzilla:
    • King Ghidorah
    • Gigan
    • SpaceGodzilla
    • Mechagodzilla
    • Orga
    • Hedorah
    • Keizer Ghidorah
    • Controller X
    • Controller of Planet X
    • Millennians
    • Millennian UFO
    • Kilaaks
    • Xiliens
    • Vortaak
    • Vorticia

Cartoons

  • The Legion of the Third Eye (Justice League).
  • Drej (Titan A.E.).
  • Teenage Mutant Ninja Turtles:
    • Triceratons
    • Krang
    • Lord Dregg
  • Lord Dominator (Wander Over Yonder).
  • BIONICLE:
    • Makuta
    • Rahkshi
    • Bohrok
    • Visorak
    • Skakdi
  • Monsters (A Quiet Place).
  • Kang and Kodos (The Simpsons).
  • Duplo Aliens (The LEGO Movie).
  • Gallaxhar (Monsters vs. Aliens).
  • The Adventures of Jimmy Neutron: Boy Genius:
    • King Goobot
    • Ooblar
    • Yokians
  • Looney Tunes:
    • Marvin the Martian
    • Instant Martians
  • Invader Zim:
    • Zim
    • Mighty Tallests
    • Tak
    • Sizz-Lorr
  • The Grim Adventures of Billy & Mandy:
    • Brain-Eating Meteor
    • Morg
  • The Duck Brothers (Courage the Cowardly Dog).
  • Ben 10:
    • Vilgax
    • Zs'Skayr
    • Malware
    • Khyber
    • High Override
    • Nemetrix Aliens
    • AntiTrix Aliens
  • Steven Universe:
    • Jasper
    • Holly Blue Agate
    • Aquamarine
    • Emerald
  • Lilo and Stitch franchise:
    • Gantu
    • Reuben
    • Dr. Jacques von Hämsterviel
    • Leroy

Anime/Manga

  • Dragon Ball:
    • King Piccolo
    • Tambourine
    • Piccolo Jr.
    • Frieza
    • Raditz
    • Vegeta
    • Nappa
    • King Moai
    • Yetti
    • Dodoria
    • Zarbon
    • Appule
    • Cui
    • The Ginyu Force
    • King Cold
    • Bibidi
    • Babidi
    • Pui Pui
    • Yakon
    • Broly
    • Cooler
    • Beerus
    • Champa
    • Zen-Oh
    • Zamasu/Goku Black
    • Frost
    • Quitela
    • Dr. Myuu
    • Baby
  • Naruto:
    • Kaguya Ōtsutsuki
    • Toneri Ōtsutsuki
  • Boruto: Naruto Next Generations:
    • Urashiki Ōtsutsuki
    • Kinshiki Ōtsutsuki
    • Isshiki Ōtsutsuki
  • Sailor Moon:
    • Alan and Ann
    • Queen Badiane
    • Queen Nehelenia
    • Princess Snow Kaguya
    • Fiore
  • One Punch-Man:
    • Boros
    • Geryuganshoop
    • Melzargard
    • Groribas
    • Dark Matter Gunner
  • The Parasites (Parasyte).
  • Kyuubey (Puella Magi Madoka Magica).
  • Uninhabited Planet Survive!:
    • Survival
    • Survival's Sentinel Drones.

Videogames

  • Mars People (Metal Slug).
  • Martin (MadWorld).
  • Crash Bandicoot:
    • Nitros Oxide
    • N. Trance
    • Zam and Zem
    • Krunk
    • Nash
    • Norm
    • Emperor Velo XXVII
  • Black Doom (Sonic the Hedgehog).
  • Nintendo:
    • Mother Brain
    • Ridley
    • Kraid
    • Metroids
    • Dark Samus
    • SA-X
    • Giygas
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