A list of characters that appear in Supergirl (2015). In the Arrowverse, Kara's Earth was designated as Earth-38. Main characters will be listed next to their page, while minor characters will be listed under an expandable note. As of Crisis on Infinite Earths, Earths 1, 38 and Black Lightning's merge into Earth-Prime.
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For tropes regarding Earth-38, the former Earth where Supergirl (2015) took place:
Earth- 38
- Alien Among Us: Along with Earths 9, 21, 75, 96, 99, 167 and two undesignated Earths, the existence of aliens on Earth (particularly Kryptonians) is of the norm.
- Alternate Self:
- This universe shares a Bruce Wayne with Earths 1, 2, 9, 21, 66, 89, 99, 203, and an undesignated Earth. It should be noted, however, that the Earths 9, 66, 89, 99 and the undesignated one all do not look alike, while this universe's Bruce along with the ones from Earths 1, 2 and 21 have yet to make an appearance to confirm if they look like some of their counterparts or even each other.
- This universe shares a Clark Kent with Earths 9, 75, 96, 99, 167, and two undesignated earths. It should be noted, however, that only the Earth-75 version looks like the one from this universe. Earth-167 Clark looks like the one from of the two undesignated earths as well as Earth-666 Marcus Pierce, while Earth-96 Clark looks like Earth-1 Ray Palmer. The original Earth-96 Clark also resembles Earth-167 Virgil Swann. Earth-9 Clark has yet to make an appearance to confirm if he looks like any of his counterparts.
- This universe shares a Lex Luthor with Earths 9, 75, 96, 167, and two undesignated earths. It should be noted, however, that this universe's Lex Luthor resembles Lenny Luthor of Earth-96 instead of that universe's Lex, while the Earth-167 Lex looks like the one from one of the two undesignated earths. Earth-9 Lex has yet to make an appearance in The Present Day to confirm if he looks like any of his counterparts.
- This universe shares a James Olsen with Earths 1, 96, 167, X, and an undesignated earth. This universe's James only resembles his Earths 1 and X counterparts, however, and the Earths 96, 167 and the one from the undesignated earth do not resemble the three identical Jameses or each other.
- This universe shares a Lois Lane with Earths 75, 96, 167, and two undesignated earths. It should be noted, however, that only the Earth-75 version looks like the one from this universe. Earth-167 Lois looks like the one from one of the two undesignated earths as well as this universe's Alura Zor-El, while the Lois from the other undesignated earth looks like Earth-167 Jodi Melville. The original Earth-96 Lois also resembles Earth-167 Brigitte Crosby.
- This universe shares a Renee Adler with Earths 1, 221 and three other unnamed Earths.
- This universe shares a Querl Dox with four undesignated earths. While all of them look alike, one of them is a woman.
- This universe shares a Kara Zor-El with Earths 96, 167, and X. This universe's Kara only resembles her Earth-X counterpart however, as Earth-96 Kara resembles this universe's Eliza Danvers and Earth-167 Lara El, while Earth-167 Kara resembles Indigo of all people (alien?).
- This universe shares a Lionel Luthor with Earths 9, 167 and an undesignated earth. This universe's Lionel doesn't resemble any of the three Lionels but instead Ezra Barnes from Earth-1. Earth-167 Lionel and the one from the undesignated earth do resemble each other as well as Jason Woodrue from Earth-89 and Mr. Sivana from the other undesignated earth (in which Lex's father is named Lex, Sr. instead), leaving Earth-9 Lionel without a lookalike.
- This universe shares a Zod with Earths 96, 167 and an undesignated earth. None of them look alike.
- This universe shares a Perry White with Earths 96, 167, and an undesignated earth. None of them resemble each other.
- This universe shares a Lara Jor-El with Earths 96, 167, and an undesignated earth. None of the Laras look a like however, with Earth-167 Lara resembling this universe's Eliza Danvers and Earth-96 Kara instead.
- This universe shares an Alex Danvers with Earths 1 and X.
- This universe shares a Winslow Schott, Jr. with Earths X and an undesignated earth.
- This universe shares a Cat Grant with Earth-167, though the latter universe has two. Nonetheless, this universe's Cat doesn't resemble any of her two namesakes.
- This universe shares a Lena Luthor with Earths 167 and an undesignated earth. This universe's Lena does not resemble her two known counterparts, who do happen to resemble each other.
- This universe shares a Maxwell Lord with Earths 167 and an undesignated earth. None of them look alike.
- This universe shares a Lucy Lane with Earths 96 and 167. None of them look alike, with Earth-167 Lucy resembling Earth-1 Lisa Snart instead.
- This universe shares a Zor-El with Earths 96 and 167. None of them look alike.
- This universe shares a Winslow Schott with Earths 167 and an undesignated earth. While this universe's Winslow, Sr. does resemble his counterpart from the undesignated earth, the two do not resemble their Earth-167 counterpart.
- This universe shares a John Corben with Earths 167 and X. While this universe's Corben definitely doesn't resemble his Earth-167 counterpart, the Earth-X version is already Metallo when introduced though still voiced by the actor playing the Earth-38 version.
- This universe shares a Mercy Graves with Earth-9 and an undesignated earth. None of them look alike.
- This universe shares a J'onn J'onzz with Earth-167. They do not look alike, with Earth-167 J'onn resembling Earth-21 Silas Stone instead.
- This universe shares an Eve Tessmacher with Earth-96, though they don't look alike.
- This universe shares a Sam Lane with Earth-167. They do not look alike, with Earth-167 Sam resembling Earth-1 Lewis Snart instead.
- This universe shares an Alura Zor-El with Earth-96, though they don't look alike. As mentioned above, this universe's Alura looks like Lois Lane from Earths 167 and an undesignated Earth.
- This universe shares a Lillian Luthor with Earth-167, though they don't look alike.
- This universe shares an Andrea Rojas with Earth-167, though they don't look alike.
- This universe shares an Imra Ardeen with Earth-167, though they don't look alike.
- This universe shares a Leslie Willis with Earth-167, though they don't look alike.
- This universe shares a Selena with Earth-96 and an undesignated Earth, though she only looks like the one from the undesignated universe.
- This universe shares a Morgan Edge with Earth-167, though they don't look alike.
- This universe shares an Otis Graves with Earth-96, though they don't look alike.
- This universe shares a Veronica Sinclair with Earth-167, though they don't look alike.
- This universe shares a Rudy Jones with Earth-167. They do not look alike, with Earth-167 Rudy resembling Earth-1 Stanley Dover instead.
- This universe shares a Chloe Sullivan with Earth-167. This universe's Chloe has yet to make an appear to confirm if they look alike.
- This universe shares a Brainiac with Earth-167, though they don't lool alike.
- This universe shares a Maxima with Earth-167, though they don't look alike.
- Other than the ones already mentioned, several people here are Identical Strangers to someone from The Multiverse:
- Apocalypse Wow: Destroyed by the Anti-Monitor in Crisis on Infinite Earths (2019); out of 7.53 Billion, over 3 Billion managed to escape to Earth-1. At the end of Crisis on Infinite Earths, it merged with other Earths, such as Earth-1 and Black Lightning's Earth, into Earth-Prime.
- Cosmic Retcon: The universe's history merges with with that of Earth-1 and Black Lightning's Earth following the Crisis.
- Crapsack World: As of Season 4, for aliens at least, this Earth is a horrible place to live, with hate crimes rising and the Government being willing to turn a blind eye on a confirmed terrorist, releasing him because his crimes only targeted aliens and thus he can't be charged with it.
- Deuteragonist: The second most important universe in the Arrowverse multiverse after Earth-1, being Kara's home universe.
- Doomed Hometown: Krypton, the home planet of the Kryptonians, exploded on 1979. This in turn ruined its neighboring planet, Daxam.
- Hero of Another Story: This universe is the second most important as well as the second most developed one within the Arrowverse after the main Earth-1 due to being the universe where Supergirl (2015) takes place.
- In Spite of a Nail:
- With the exceptions of the open existence of aliens, political figures, life events and not sharing major characters (so far), this universe and Earth-1 virtually have the same aesthetics, overall history, locations, species and culture.
- Krypton still explodes on Earths 9, 75, 96, 99, and two undesignated earths, with Kal-El being sent to Earth afterwards and Kara Zor-El not arriving there until much later.
- J'onn J'onzz is also acquainted with the Supercousins in Earth-167. He also befriended the father figure of one of them before the series proper (Jor-El in Earth-167, Jeremiah Danvers in this universe).
- Much like in Earths 1, 2, 9, 21, 66, 89, 99, 203 and an undesignated Earth, Bruce Wayne still became Batman.
- Much like in Earths 9, 75, 96, 99, and an undesignated Earth, Clark Kent still became Superman.
- Much like in Earths 75, 96, 167 and an undesignated Earth, Clark Kent and Lois Lane are an Official Couple.
- Much like in Earths 75, 96, 167 and an undesignated Earth, Clark Kent and Lex Luthor hated each other.
- Lena Luthor is Lionel Luthor's bastard daughter on Earth-167 and its Mirror Universe.
- Alex Danvers' life turned out the same on Earth-1 despite Kara's non-existence there.
- There's also a Legion of Superheroes in Earth-167 and Imra Ardeen is also a member.
- Merged Reality: At the end of Crisis on Infinite Earths, this universe merged with other Earths, such as Earth-1 and Black Lightning's Earth, into Earth-Prime.
- The Present Day: Much like Earths 1 and 221, its aesthetics and pop culture are the same with Real Life.
National City
- Citizens: Cat Grant, James Olsen / The Guardian, Maggie Sawyer, Morgan Edge, Snapper Carr, Maxwell Lord, Nia Nal / Dreamer, Etc.
- Criminals: Leslie Willis / Livewire, Siobhan Smythe / Silver Banshee, Thomas Coville, Etc.
- Luthor Family & Associates: Lillian Luthor, Eve Teschmacher, Hope, Etc.
Smallville
Metropolis
Organizations
- The D.E.O.: Alex Danvers, J'onn J'onzz, Brainiac 5 / Querl Dox / Brainy, Etc.
- U.S. Government: Etc.
- U.S. Military: Major Lucy Lane, General Sam Lane, Colonel Lauren Haley, Etc.
- Criminal Groups & Organizations: Jeremiah Danvers, Hank Henshaw, Benjamin Lockwood / Agent Liberty, Raymond Jensen / Parasite II, Manchester Black, Pamela Ferrer / Menagerie, The Hat, Mysterious Woman, Leviathan (Rama Khan, Gamemnae), Etc.
- A.R.G.U.S. & Task Force X: Etc.
Cosmic
- Aliens: Alura Zor-El, General Astra, Non, Brainiac 8 / Indigo, M'gann M'orzz, Queen Rhea, Samantha Arias / Reign, Selena, M'yrnn J'onzz, Malefic J'onzz, Mitch Etc.
- Other Entities: Nyxlygsptlnz, Mar Novu / The Monitor, Mobius / Anti-MonitorEtc.
Central City
- West/Allen Family: Etc.
- Team Flash: Etc.
- Central City Citizens: Etc.
Star City
Gotham City
- Bat-Family: Etc.
- Criminals: Etc.
Time Travel
- The Legion: Winslow Schott, Jr., Mon-El, Imra Ardeen, Etc.
- The Legends: Etc.
- Future Characters: Etc.
Others
- Other Locales: Eliza Danvers, "Red Daughter", Kelly Olsen, Etc.
The Multiverse
- Earth-9
- Titans note
- Other Earths note
- Earth-66
- Bat-Family & Allies note
- Earth-89
- Bat-Family note
- Criminals note
- Citizens note
- Earth-X: Etc.
