Superboy Villains

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  Agenda
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  Alexander Luthor (Earth-16)
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  Amanda Spence (New Earth)
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  Arnold Kaua (New Earth)
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  Atom-Master (Prime Earth)
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  Avryc (Super Sons)

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  Bernard Emil Morlock (New Earth)
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  Black Zero (New Earth)
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  Blank Slate (New Earth)
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  Brainiac 6 (Prime Earth)
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  Bromwell Stikk (Earth-16)

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  Cameron Mahkent (Earth-16)
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  Chun Yull (Prime Earth)

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  Dabney Donovan (New Earth)
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  Doomsboy (World Without Young Justice)
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  Doomsdame (Prime Earth)
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  Drrt (New Earth)

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  Edgar Cizko (Prime Earth)
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  Erica Alexandra del Portenza (New Earth)

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  Gang (Prime Earth)
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  Gene-Gnome (New Earth)
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  General Good (New Earth)
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  Gray Lady (New Earth)
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  Grokk (New Earth)
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  Grundette (Prime Earth)

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  Ice Princess (Prime Earth)
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  Injustice Army (Prime Earth)

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  John Starr (Prime Earth)
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  Joker Jr. (Prime Earth)
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  Jordan Weir (Prime Earth)

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  Kal-El (Earth-Prime)
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  Kekona (New Earth)
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  Kent Connor (New Earth)
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  Kid Deadshot (Prime Earth)
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  Klo (New Earth)
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  Knockout (New Earth)
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  Kossak the Slaver (New Earth)
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  Kraklow (New Earth)

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  Lady Dragon (New Earth)
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  Lex Luthor (Superboy's Legion)
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  Loretta York (New Earth)
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  Lucifer Chancel (Earth-One)
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  Luthor-El (Earth 3)

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  Match (Earth-16)
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  Mercy Graves (Titans TV Series)
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  Mind's Eye (New Earth)

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  Nanaue (New Earth)
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  Nosferata (New Earth)

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  Paul Westfield (World Without Young Justice)
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  Phillipe Mouton (New Earth)
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  Planeteers
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  Point Men
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  Project Cadmus (World Without Young Justice)

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  Ratsputin (New Earth)
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  Red Death (New Earth)
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  Red Shift
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  Reggie Meyer (Prime Earth)
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  Rex Luthor (Prime Earth)
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  Robert Hobb (Earth-One)
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  Rose Wilson (Prime Earth)

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  S-01 (New Earth)
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  Sacker (New Earth)
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  Scavenger (New Earth)
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  Shaggy Boy (Prime Earth)
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  Short Cut (New Earth)
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  Simon Jones (Earth-16)
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  Simyan (New Earth)
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  Stinger (New Earth)
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  Stormguards (Hyper-Tension)

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  T'omas T'Morra (Prime Earth)
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  Technician (New Earth)
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  Techno (New Earth)
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  Thomas Raymond Chatham (New Earth)
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  Timothy Drake (Titans Tomorrow)

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  Whoon (New Earth)
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  William Wright (Earth-One)

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  Yggardis, the Living Planet (Earth-One)

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  Zaniel Templar (Prime Earth)