- "Colossal" Craig
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- "Wild" Bill Carmody
- 'Arry and Bert
- 'Arry and Bert/Gallery
- 'Macho' Marty Benedictine
- 'Ol Whopper
- -004
- .GIFfany
- .GIFfany/Gallery
- 0-0-0
- 003
- 0101
- 01 Ambassador
- 0 (Star Trek)
- 10,000 Volt Ghost
- 100-Eyed Demon
- 1000-THR "Earthmover"
- 100 (Aqua Teen Hunger Force)
- 100 Maniacs of the Hathaway House
- 108 Stars
- 11 Planetary Masters of Sol
- 1337
- 13 Demonic Magistrates
- 14
- 1AmTheHelp3r
- 1 (9)
- 1 (Number Lore)
- 1x1x1x1
- 2-Headed Shark
- 20th Century Boy
- 224
- 235
- 29th Street Kings
- 2 (Number Lore)
- 2nd Dr. Mabuse
- 3-D
- 3-Headed Shark
- 343 Guilty Spark
- 37th Dolan
- 3Drinkz
- 3MB
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- 3 (Number Lore)
- 3rd Street Saints
- 4-LOM
- 404'san
- 425
- 426
- 427
- 456 Ambassador
- 49er Six
- 4A-7
- 4 (Number Lore)
- 5-Torg
- 50% Chad
- 501st Legion
- 50 Below
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- 514A
- 54 Immortals
- 5 (Number Lore)
- 5 Elements Clan
- 5th Column
- 5th Generation Fighter Pilots
- 6.0.6.
- 666
- 718 Division
- 7th Fleet
- 8
- 8-Ball
- 8-Bit Baby
- 80s Action Hero
- 8D8
- 8 Bit Club
- 8t88
- 9
- 9-0
- 9-Torg
- 99
- ???
- ???/Gallery
- @Gou
- A
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- A.I.M.S.
- A.I.M. (Marvel)
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- A.I. Buddies
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- A.J. Arno
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- A.M.A.Z.O. (Arrowverse)
- A.M.I.
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- A.R.C.
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- A.R.O.N.A
- A.R.T.
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- A.T.P. Engineers
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- A. Traveler
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- AAARRRGGHH!!!
- AARP (South Park)
- AA Abanba
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- ALLMIND
- ALLTYNEX OS
- AM
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- AMEE
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- AXIOM (Dustborn)
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- AZ
- A (Bungo Stray Dogs)
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- Aakon
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- Aardvark
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- Ab
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- Abaddon (Arknthology)
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- Abadon
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- Abdad
- Abdul-Aziz al-Razim
- Abdul Alhazred
- Abdul Alhazred (King's Quest)
- Abdul Alhazred (Lovecraft)
- Abdul Alhazred (Marvel)
- Abdul Azim Abad
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- Abdulla
- Abdulla's Grandmother
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- Abdullah (Cheetah)/Gallery
- Abdullah (Kinnikuman)
- Abduwali Muse (Captain Phillips)
- Abe Cheney
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- Abel
- Abel (Dhar Mann)
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- Abel (The Walking Dead)
- Abel Atherton
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- Abel Walker/Gallery
- Abeloth
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- Abigail Brand
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- Abigail Williams (The Crucible)
- Abigail the Doll
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- Abigor (Club Nintendo)
- Abigor (Ghost Rider)
- Abigor (Salvation War)
- Abijah Fowler
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- Abirama Redder
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- Abiyoyo