Chemistry

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  Abigail O'Shay (Prime Earth)
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  Achilles Milo (New Earth)
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  Albert Desmond (New Earth)
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  Alec Holland (DC Legends)
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  Alec Holland (Lego Batman)
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  Alec Holland (New Earth)
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  Alec Holland (Prime Earth)
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  Alec Holland (Swamp Thing 1990 TV Series)
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  Alec Holland (Swamp Thing 2019 TV Series)
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  Alexander Luthor (Prime Earth)
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  Alexei Luthor (Earth-Two)
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  Andre (Quality Universe)
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  Andrea Thomas (Earth-S)
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  Andrea Thomas (Shazam!/Isis Hour)
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  Angela Wainwright (New Earth)
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  Archer (New Earth)
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  Arnold Porter (Dakotaverse)
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  Arthur Light (Tiny Titans)
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  Asa Ezaak (Earth-One)
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  August Heart (Arrowverse)

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  Bane (Arkhamverse)
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  Barry Allen (Arrowverse)
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  Barry Allen (Arrowverse: Earth-2)
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  Barry Allen (DCeased)
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  Barry Allen (Earth-149)
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  Barry Allen (New Earth)
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  Barry Allen (Out of Time)
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  Barry Allen (The Flash: Why You?)
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  Bartholomew Regan (Earth-Two)
• Category:Biochemistry
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  Blackhawk (Quality Universe)
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  Blaine Emmick (Hush Beyond)
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  Brian O'Brien (Quality Universe)
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  Bruce Wayne (Batman 1966 TV Series)
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  Bruce Wayne (The Batman)
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  Bryce Wayne (Earth -11)
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  Byrna Brilyant (Earth-Two)

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  Carter Nichols (Earth-Two)
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  Carter Nichols (The Brave and the Bold)
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  Cecil Adams (Arrowverse)
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  Chac (Earth-One)
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  Chop-Chop (Quality Universe)
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  Christopher Weiss (New Earth)
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  Copper (New Earth)
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  Crown Prince (Swamp Thing 1990 TV Series)

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  Damian Ridge (New Earth)
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  Damian Wayne (Batman in Bethlehem)
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  Dane Maxwell (Prime Earth)
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  Daniel Dunbar (New Earth)
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  Darrel Dane (Earth-Two)
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  Darrel Dane (Quality Universe)
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  Daryl Gutierrez (Prime Earth)
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  David (The Batman)
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  Dexter Knox (Earth-S)
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  Doctor Cyber (Earth-508)
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  Doctor Poison (DC Animated Movie Universe)
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  Doctor Poison II (New Earth)
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  Doctor Psycho (Gods and Monsters)

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  Edifice K. Bulwark (Earth-One)
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  Elizabeth Swift (Prime Earth)

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  Fang Gow (Earth-Two)
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  Felice Chandler (Smallville)
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  Flash (Barry Allen)
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  Flashback (Earth-One)
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  Francine Langstrom (Arkhamverse)
• Francis Grey (The Batman)
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  Francisco Ramon (Arrowverse)
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  Fred Kincaid (Earth-Two)

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  Gary Concord, Sr. (Earth-Two)
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  Gerald Crane (Gotham)
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  Gold (Justice)
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  Gold (New Earth)
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  Gold Girl (New Earth)

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  Hagen (New Earth)
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  Hans Kronitz (Quality Universe)
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  Hans Rischar (Prime Earth)
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  Harleen Quinzel (White Knight)
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  Hawley Griffin (League of Extraordinary Gentlemen)
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  Helga Jace (Black Lightning TV Series)
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  Hugo Strange (Earth-Two)
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  Hugo Strange (Lego Batman)
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  Hugo Strange (New Earth)

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  Iron (Justice)
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  Iron (New Earth)
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  Iron Girl (New Earth)
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  Isabel Maru (DC Extended Universe)

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  Jack Napier (Burtonverse)
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  James Barr (Earth-S)
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  Jarrod Jupiter (New Earth)
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  Jason Garrick (Flashpoint Timeline)
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  Jason Garrick (New Earth)
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  Jason Woodrue (Swamp Thing 2019 TV Series)
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  Jeremy Stone (Wildstorm Universe)
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  Joker (Batman in Bethlehem)
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  Joker (DC Bombshells)
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  Joker (DCAU)
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  Joker (Earth-One)
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  Joker (Injustice: Earth One)
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  Joker (The Batman)
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  Jonathan Crane (Arkhamverse)
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  Jonathan Crane (Batman vs. TMNT)
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  Jonathan Crane (DC Legends)
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  Jonathan Crane (Earth-508)
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  Jonathan Crane (Earth-One)
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  Jonathan Crane (Gotham)
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  Jonathan Crane (Harley Quinn TV Series)
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  Jonathan Crane (Injustice)
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  Jonathan Crane (Justice)
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  Jonathan Crane (Lil Gotham)
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  Jonathan Crane (New Earth)
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  Jonathan Crane (Nolanverse)
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  Jonathan Crane (Prime Earth)
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  Jonathan Crane (Scooby-Doo Team-Up)
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  Jonathan Crane (Super Friends)
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  Jonathan Crane (The Brave and the Bold)
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  Jonathan Smatten (Earth-One)
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  Josephus Doombie (Earth-Two)
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  Justin Claybourne (Arrowverse)

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  Kal-El (All-Star Superman)
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  Karl Helfern (Prime Earth)
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  Karl Hellfern (New Earth)
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  Key (New Earth)
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  Key (Prime Earth)
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  Kirk Langstrom (Arkhamverse)
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  Kirk Langstrom (Beware the Batman)
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  Kirk Langstrom (DC Legends)
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  Kirk Langstrom (Prime Earth)
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  Kirk Langstrom (The Batman)
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  Kirk Langstrom (The New Order)

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  Laevar Bolto (Pre-Zero Hour)
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  Lafayette Du Soir (Earth-ABC)
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  Lazlo Valentin (Batman in Bethlehem)
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  Lazlo Valentin (New Earth)
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  Lazlo Valentin (Prime Earth)
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  Lead (Justice)
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  Lead (New Earth)
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  Lead Girl (New Earth)
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  Leonard Snart (Lego Batman)
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  Leonard Zagarian (Earth-508)
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  Linda Olsen Ridge (New Earth)
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  Lord of Life (Earth-Two)
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  Lyle Norg (Earth-Prime)
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  Lyle Norg (Post-Zero Hour)
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  Lyle Norg (Pre-Zero Hour)

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  Malagigi (Earth-One)
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  Mantis Morlo (Pre-Zero Hour)
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  Margaret Thatcher (New Earth)
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  Mark Desmond (New Earth)
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  Mark Desmond (Prime Earth)
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  Martin Stein (DC Legends)
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  Martin Stein (New Earth)
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  Martin Stein (Prime Earth)
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  Maru (DC Legends)
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  Mary Wills (Earth-Two)
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  Mercury (New Earth)
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  Mercury Girl (New Earth)
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  Michael Holt (DCeased)
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  Michael Holt (Justice League Action)
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  Michael Holt (New Earth)
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  Michael Holt (Prime Earth)
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  Mist (New Earth)
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  Mister Revenge (Quality Universe)
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  Mister Who (New Earth)
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  Morris Eagleton (New Earth)
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  Morton Murch (Earth-S)

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  Nameless (New Earth)
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  Nelson Drew (Earth-ABC)
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  Nigel Glass (New Earth)
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  Niles Caulder (New Earth)
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  Norman Rotrig (New Earth)

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  Osmium (New Earth)
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  Otis Flannegan (New Earth)
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  Otis Flannegan (Prime Earth)

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  Pamela Isley (Arkhamverse)
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  Pamela Isley (Arrowverse)
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  Pamela Isley (DC Legends)
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  Pamela Isley (DCAU)
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  Pamela Isley (Harley Quinn TV Series)
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  Pamela Isley (Lego Batman)
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  Paranoid Pill
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  Patricia Wentworth (Quality Universe)
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  Paul Dekker (Prime Earth)
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  Penelope Young (Arkhamverse)
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  Philip Master (Earth-One)
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  Platinum (Justice)
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  Platinum (Lego Batman)
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  Platinum (New Earth)
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  Platinum Man (New Earth)
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  Plutonium Man (New Earth)
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  Princess Maru (Earth-508)
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  Princess Maru (New Earth)
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  Professor Bibbowski (New Earth)

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  Rake (Prime Earth)
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  Ralph Dibny (New Earth)
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  Raymond Kessler (New Earth)
• Rex Tyler (New Earth)
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  Robert Benton (Earth-ABC)
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  Robert Langstrom (New Earth)
• Roger Bacon (New Earth)
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  Roy Lincoln (Earth-Two)