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Fear is not a lie. Fear cripples. Annihilates spirits. It is the only weapon that matters. Fear made me stronger than you. No-one is safe from it! ...why aren't you scared anymore?
~ Psi to Supergirl.

Gayle Marsh, also known as Psi, is a supporting character in Season 3 of the superhero TV series, Supergirl. She is a bank robber who, after gaining telepathic powers over people's fears, moved to National City to continue her spree, which pits her against Supergirl. After getting locked up, she briefly returns to help her fight against the Worldkiller, Reign.

She is portrayed by Yael Grobglas.

Biography[]

Gayle lived in Skokie, Illinois, where she lived a seemingly normal and calm life. One day, she snapped and started robbing banks. With her powers virtually causing everyone around her to instantly submit to fear, it allow her to nonchalantly perform her robbing spree wherever she went. She eventually set her eyes on National City, and moved so she could rob banks there.

Once in National City, she caught the attention of Supergirl, who attempted to stop her. However, Gayle immobilised Supergirl by preying on her claustrophobia, and forced Supergirl to relive the most traumatising moment of her life. Gayle then attacked two other banks, but Supergirl was unable to stop her both times. She also got in a psychic battle against J'onn J'onzz, who was attempting to shield Supergirl from her psychic attacks. However, she ultimately beat him, and crippled him to the ground in pain before she escaped once more. Following that, during her biggest robbery yet, she debilitated a number of police officers, forced a construction worker to release a wrecking ball, and destroyed numerous police cars and businesses, before she was finally stopped by Supergirl who was able to overcome her fear and knock Gayle unconscious. Psi was then taken into custody by the D.E.O.

She was later recruited personally by Supergirl to go with her into space where Fort Rozz was seeing as Supergirl needed backup due to being powerless due to a blue sun being in that area of the galaxy. However as a precaution her powers were suppressed by a device dampener on her head. Psi and Livewire toss insults back and forth on the flight before alerting they're at the destination. Kara takes off the dampener off Psi's head so she will be useful however Psi momentary loses control on Saturn Girl later promoting the device despite proclaiming it was a accident. Seeing Reign arriving Irma unlocks the dampener and sends Psi out to warn the others about the arrival. Psi arrives right as Livewire is mortally wounded and makes Sam reemerge due to making Reign live out her worst fear mentally prompting her to flee. Psi then witnesses her body dissolve into electrify. Back at the D.E.O., Psi is personally thanked by Supergirl and in return she extended her sympathies for Supergirl losing her friend. She's then given a room upgrade as a personal thank you.

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Minor Antagonists
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Green Arrow | Deadshot | Amanda Waller | Nyssa al Ghul | Bronze Tiger | Ragman | Vigilante | Stanley Dover | Captain Cold | Gorilla Grodd | Killer Frost (Earth-1) | Heat Wave | King Shark | Time Wraiths | Black Siren | Solovar | Music Meister | Cassandra Savage | Nora Darhk | Astra Logue | Kayla | Maxwell Lord | Livewire | Master Jailer | Lena Luthor | Purity | Mxyzptlk | Psi | Malefic J'onzz | Mary Hamilton | Two-Bits | Painkiller | John Henry Irons | Lucifer Morningstar

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See Also
Batwoman Villains | Black Lightning Villains | Flash Villains | Green Arrow Villains | DC's Legends of Tomorrow Villains | Supergirl Villains | Superman Villains

           Supergirl second logo Villains

Comics
Alphina | Anti-Monitor | Appex | Atomic Skull | Atrocitus | Barry Metznerr | Belinda Zee | Bizarro | Bizarro-Girl | Black Adam | Black Banshee | Black Flame | Black Lantern Corps | Black Mask | Blackstarr Blithe | Brainiac | Buzz | Carnivore | The Council | Chemo | Cheshire | Clayface | Clock King | Cyborg Superman | Dark Angel | Darkseid | Dark Supergirl | Decay | Delacore | Despero | Diasporans | Doctor Sivana | Dollmaker | Dominators | Doomsday | Emerald Empress | Eradicator | Female Furies | Felix Faust | The Gang | Giganta | Granny Goodness | Graviton Man | H'el | Hecate | Insect Queen | Indigo | Intergang | Killer Frost | Kryptonite Man | Lady Styx | Lena Luthor | Lesla-Lar | Lex Luthor | Livewire | Lobo | Maxwell Lord | Metallo | Mister Mind | Mongul | Mxyzptlk | Nasthalthia Luthor | Nightflame | Parasite | Penguin | Positive Man | Powerboy | Princess Zala Jor-El | Psi | Reactron | Red Lantern Corps | Reign | Rogol Zaar | Roho | Satan Girl | Selena | Shrapnel | Silver Banshee | Simon Tycho | Solomon Grundy | Sportsmaster | Splyce | Suicide Squad | Superboy-Prime | Superman Revenge Squad | Superwoman | Toyman | Twilight | Ultra-Humanite | Worldkiller-1 | Xenon | Zod

Movie
Selena | Bianca

Television
Season 1: Astra and Non's Army (Non, Astra, Indigo, Vartox, Hellgrammite & Maxima) | Maxwell Lord | Reactron | Livewire | Ethan Knox | Red Tornado | T.O. Morrow | Jemm | Dirk Armstrong | Bizarro | Toyman | Miranda Crane | Master Jailer | Silver Banshee | Hank Henshaw | Project Cadmus (Colonel James Harper)
Season 2: Queen Rhea | Project Cadmus (Lillian Luthor, Cyborg Superman & John Corben) | Scorcher | Roulette | Parasite | Dominators | Phillip Karnowsky | Livewire | Mxyzptlk | Music Meister | Beth Breen | Rick Malverne | Lex Luthor | Zod
Season 3: Worldkillers (Selena, Reign, Purity, Pestilence & Thomas Coville) | Morgan Edge | Bloodsport | Psi | Dominators | New Reich (Dark Arrow, Overgirl, Promethus & Quentin Lance) | Eobard Thawne | Red Tornado | Livewire | Lillian Luthor | Red Daughter
Season 4: Lex Luthor | Children of Liberty (Agent Liberty, Mercy Graves, Raymond Jensen & Natalie Hawkings) | Otis Graves | The Elite (Manchester Black, Pamela Ferrer, The Hat & Morae) | Hellgrammite | Monitor | John Deegan | A.M.A.Z.O. | Psycho-Pirate | Leviathan (Eve Teschmacher & Margot Morrison) | Red Daughter | Phil Baker | Lillian Luthor | Malefic J'onzz
Season 5: Leviathan (Gamemnae, Rama Khan, Tezumak, Sela, Andrea Rojas, Margot Morrison, & Eve Teschmacher) | Lex Luthor | Malefic J'onzz | Lena Luthor | Lillian Luthor | Anti-Monitor | Midnight | Shadow Demons | Toyman | Mxyzptlk | Worldkillers (Selena, Reign, & Thomas Coville) | Children of Liberty (Agent Liberty & Otis Graves) | Dominators
Season 6: Nyxlygsptlnz | Lex Luthor | Lillian Luthor | Otis Graves | Zulian Maletarians | Eve Teschmacher | Mxyzptlk | Leviathan (Gamemnae)

Video Games
Injustice: Superman | Brainiac | Wonder Woman | Black Adam | Nightwing | Cheetah

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