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Streaky the Supercat was Supergirl's pet cat who gained incredible super-powers through exposure to X-Kryptonite; such as flight, super-strength, super-speed, invulnerability, and enhanced vision abilities. His distinctive mark was a lightning bolt-shaped in his fur running along both sides of his body. He was also a member of the Legion of Super-Pets, alongside other super-powered animals such as Krypto the Superdog, Beppo the Super-Monkey and Comet the Super-Horse.

Streaky was created by Otto Binder and Jim Mooney, first appearing in Action Comics #261 (1960).

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Supergirls Kara Zor-El • Kara Zor-L • Lucy of Borgonia • Super-Girl • Matrix • Laurel Gand • Kara from Odiline • Linda Danvers • Ariella Kent • Cir-El
Characters Alura In-Ze • Batgirl • Benjamin Rubel • Cameron Chase • Cheryl Delarye • Comet the Super-Horse • Cutter Sharp • Daryll Simmons • Dick Malverne • Edna Danvers • Fred Danvers • Ida Berkowitz • Jeremiah Danvers • Jeffrey Colby • Jerro the Merboy • Joan Raymond • Johnny Ostrander • Lana Lang • Lena Luthor • Lys Amata • Mattie Harcourt • Maxima • Michael Harris • Michael Henderson • Miss Hart • Mister Dixon • Peter Barton • Shay Veritas • Streaky • Terri Blake • Thara Ak-Var • Thomas Smythe • Wally the God Boy • Zor-El
Enemies Alphina • Appex • Barry Metzner • Belinda Zee • Bizarro-Girl • Black Banshee • Black Flame • Blackstarr • Buzz • Carnivore • Cyborg Superman • Dark Angel • Dark Supergirl • Decay • Delacore • Diasporans • Dollmaker • Emerald Empress • Eradicator • Fatal Five • The Gang • Graviton Man • H'el • Hecate • Indigo • Insect Queen • Kryptonite Man • Lar-On • Lesla-Lar • Lobo • Mister Mxyzptlk • Nasthalthia Luthor • Nightflame • Positive Man • Psi • Reactron • Reign • Roho • Satan Girl • Selena • Silver Banshee • Simon Tycho • Starfire • Superwoman • Worldkiller-1 • Xenon
Storylines Adventures of Supergirl • Argo • Adult Education • The Attack of the Annihilator • Bizarrogirl • Blackstarr • Breaking the Chain • Candor • Crucible • Day of the Dollmaker • Death and the Family • The Dominator War • Escape from the Phantom Zone • The Girl of No Tomorrow • Girl Power • Good-Looking Corpse • The Hunt for Reactron • Krypton No More • The Last Daughter of Krypton • The Lords of Luck • Maelstrom • Many Happy Returns • Plain Sight • Power Trip • The Quest for Cosmic Boy • Red Daughter of Krypton • Reign of the Cyborg Supermen • Strange Visitor from Another Century • Strangers at the Heart's Core • The Supergirl from Krypton • This Is Not My Life • The Unknown Supergirl • The Untold Story of Argo City • Warworld • Way of the World • Who Is Superwoman? • Wings
Comics Action Comics (Vol. 1) • Adventure Comics (Vol. 1) • Supergirl (Vol. 1) • The Superman Family • Supergirl (Vol. 2) • Supergirl (Vol. 3) • Supergirl (Vol. 4) • Supergirl (Vol. 5) • Supergirl and the Legion of Super-Heroes • Supergirl (Vol. 6) • Supergirl (Vol. 7) • Supergirl: Woman of Tomorrow • Supergirl (Vol. 8)
Locations Apokolips • Argo City • Bizarro World • Chicago • Crucible Academy • Daily Planet • Danvers Brownstone • Elixir Café • Fire Falls • Fortress of Solitude • Grax • Hammersmith Tower • Kandor • Kent Farm • Krypton • KSF-TV Station • Lake Shore University • Leesburg • Metropolis • Midvale • Midvale Orphanage • National City • National City Technical High School • New Athens • New Athens Experimental School • New Krypton • Phantom Zone • Project Cadmus • Rokyn • Sanctuary of Solitude • Santa Augusta • The Scabbard • Stanhope College • S.T.A.R. Labs • Starrware Industries • Smallville • Survival Zone • Vandyre University • Warworld • Ysmault
Items Atomic Cauldron • Kryptonite • Legion Flight Ring • Phantom Zone Projector • Kryptonian Rocket • Linda Lee Robot • Omegahedron • Red Lantern Ring • Sunstone • "S" Symbol
Miscellaneous Origins • Publication History • Recommended Reading • Rogue's Gallery • Supergirl is confusing • Superman Family
Creators Otto Binder • Al Plastino • Jerry Siegel • Jim Mooney • Robert Kanigher • Kurt Schaffenberger • Marv Wolfman • Steve Skeates • Mike Sekowsky • Tony DeZuniga • Cary Bates • Art Saaf • Jack C. Harris • Jack Abel • Don Heck • Paul Kupperberg • Carmine Infantino • George Perez • John Byrne • Peter David • Gary Frank • Ed Benes • Jeph Loeb • Michael Turner • Mark Waid • Barry Kitson • Geoff Johns • Sterling Gates • Jamal Igle • Landry Q. Walker • Eric Jones • Michael Green • Mike Johnson • Mahmud Asrar • Tony Bedard • Emanuela Lupacchino • Kate Perkins • Steve Orlando • Mariko Tamaki • Joëlle Jones • Robson Rocha • Marc Andreyko • Kevin Maguire
Other Media Supergirl (1984 film) • Superman: The Animated Series • Smallville (TV series) • Superman/Batman: Apocalypse • Superman: Unbound • Super Best Friends Forever • DC Super Hero Girls • Supergirl (TV series) • The Flash (film) • Legion of Super-Heroes (film) • Supergirl (2026 film)
Characters Alura In-Ze • Bibbo Bibbowski • Cat Grant • Chloe Sullivan • Clark Kent • Chief Parker • Dan Turpin • Dubbilex • Emil Hamilton • Gangbuster • George Taylor • Guardian • Jimmy Olsen • Flamebird • Franklin Stern • House of El • Kelex • Kents • Jonathan Kent • Jor-El • Kong Kenan • Lana Lang • Lara Lor-Van • Lena Luthor • Lois Lane • Lori Lemaris • Lucy Lane • Lyla Lerrol • Maxima • Maggie Sawyer • Martha Kent • Mon-El • Natasha Irons • Newsboy Legion • Nightwing • Paul Westfield • Perry White • Pete Ross • Power Girl • Professor Potter • Ron Troupe • Sam Lane • Scorn • Steel • Steve Lombard • Strange Visitor • Superboy • Supergirl • Superman Family • Superwoman • Thorn • William Henderson • Zor-El
Super-Pets Beppo the Super-Monkey • Comet the Super-Horse • Krypto the Superdog • Proty II • Streaky the Supercat
Villains Atlas • Atomic Skull • Bizarro • Blackbriar Thorn • Blackrock • Bloodsport • Brainiac • Bruno Mannheim • Composite Superman • Conduit • Cyborg Superman • Dabney Donovan • Darkseid • Dev-Em • Dominus • Doomsday • Encantadora • Eradicator • Faora • General Zod • Gog • Intergang • Jax-Ur • Kryptonite Man • Lex Luthor • Livewire • Lobo • Magog • Mercy Graves • Metallo • Mongul • Morgan Edge • Mister Mxyzptlk • Neutron • Non • Quex-Ul • Parasite • Phantom Zoners • Prankster • Red Cloud • Riot • Satanus • Shockwave • Silver Banshee • Superboy-Prime • Superman Revenge Squad • Terra-Man • Titano the Super-Ape • Toyman • Ursa • Ultra-Humanite • Ultraman • Volcana
Storylines A Mind-Switch in Time • Superman and the Legion of Super-Heroes • Brainiac • The Coming of Atlas • The Death of Superman • Doomed • The Final Days of Superman • "For the Man Who Has Everything" • Funeral for a Friend • The Great Phantom Peril • Kingdom Come • Krypton No More • Last Son • Maelstrom • New Krypton • Public Enemies • Reign of Doomsday • Reign of the Supermen • Revenge • The Sandman Saga • The Supergirl from Krypton • The Third Kryptonian • The Trial of Superman! • Two for the Death of One • Up, Up and Away! • Warworld • Whatever Happened to the Man of Tomorrow? • Who Took the Super out of Superman!
Comics Action Comics • Superman • The Adventures of Superman • Superman: The Man of Steel • Superman: The Man of Tomorrow • Superman/Batman • Other titles
Locations 5th Dimension • Apokolips • Argo City • Bizarro World • Colu • Daily Planet • Daily Star • Daxam • Fortress of Solitude • Kandor • Kent Farm • Krypton • Kryptonopolis • LexCorp • Lexor • Metropolis • New Genesis • Phantom Zone • Project Cadmus • S.T.A.R. Labs • Smallville • Stryker's Island • Suicide Slum • Vathlo Island • Warworld
Items Atomic Cauldron • Kryptonite • Legion Flight Ring • Phantom Zone Projector • Kryptonian Rocket • "S" Symbol
Miscellaneous Origins • Other Media • Publication History • Recommended Reading • Superman is confusing
Creators Jerry Siegel • Joe Shuster • Mort Weisinger • Wayne Boring • Otto Binder • Al Plastino • Curt Swan • Gerry Conway • José Luis García-López • Elliot S. Maggin • Cary Bates • Len Wein • Alan Moore • Kurt Schaffenberger • Dan Jurgens • Mark Waid • Gail Simone • Geoff Johns • Gary Frank • Greg Rucka • Grant Morrison • Peter Tomasi • Brian Michael Bendis • Ivan Reis