Science

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  Acid Slime
• 
  Alexander Luthor (Re-Verse)
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  Alexander Luthor (Realism)
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  Alexandra Luthor
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  Alpha
• Category:Anthropology
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  Anya Savenlovich (Realism)
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  Ariella McGinnis

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  Bartholomew Allen (Cartooniverse)
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  Batman Beyond (Beyond-verse)
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  BioTech (Sarah Stone)
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  Bloody Alice
• Category:Botany
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  Bruno Wayne

• Category:Chemistry
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  Clyde Mardon (Realism)
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  Crystal Frost (Realism)

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  Darkman (Earth-300)
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  Doc Savage
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  Doctor Gator
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  Dr Gero
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  Dr. Gero (DC Animated Universe)
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  Dragon King

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  Edenians
• Category:Electrical Engineering
• Category:Entomology
• 
  Eric Frankenstein

• Flash (Earth-126AA)
• Category:Forensic Pathology

• Category:Genetics

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  Hybrid

• 
  Jack Napier Jr.
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  John Stewart (Realism)
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  John Tobias Garrett
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  Joker (Earth-1)
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  Joker (Realism)
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  Joker Prime (Earth-100600)
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  Jonny Frost (Earth-100600)
• Joseph Wett (Earth-4577)

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  Lady Dormaalocyon
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  Lex Luthor (DC Extended Universe)

• Mad Dog
• Category:Marine Biology
• Category:Mechanical Engineering
• Category:Medical Science
• Mercer Kovacs
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  Michael Im-Re
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  Micron (Realism)
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  Mirage (Omega)
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  Mizuko
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  Mr Freeze (Doomsday Revenge)
• 
  Ms. Fear

• Naruto Uzumaki (Prime Earth)

• Category:Parapsychology
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  Patty Spivot (Realism)
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  Peter Erfan
• Category:Physics
• 
  Pokerjack
• Professor Moriarty (OuterSpace-103)
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  Professor Ooze
• Category:Psychiatry
• Category:Psychology

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  Ray Palmer (Realism)
• Category:Reactive Adaptation
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  Robin Beyond
• Category:Robotic Engineering

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  Seahawk
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  ShadeFire
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  Sherlock Homes (OuterSpace-103)
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  Shinji Ikari (Prime Earth)
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  Sinloth Bazur
• 
  Spider
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  Superman (Realism)

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  Temporal (Zen-El)
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  The Griffin
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  The Sandman
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  The Watcher
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  Tinya Winema (Wazzo ) EL Kent
• Category:Toxicology

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  Virgil Hawkins (Great Earth)
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  Vor Zed

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  Wally West (Realism)

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  Zata Im-Re