hero

Sometimes you're wrong. Sometimes there is a place for you at the table. Some mysteries may never be solved by you alone. Sometimes you don't have to prove yourself repeatedly -- because you're confident about your purpose. And sometimes you just have to get to work for everything to work out.
~ The Signal.
My career of choice has crazy hours, bad benefits, and doesn't pay. But it's the dream I never knew I always had. Mom, dad... I'm going into the vigilante business. I hope I live to tell you all about it.
~ The Signal.

The Signal (real name Duke Thomas) is a fictional character and superhero from the DC comics, and is a supporting character in the Batman comics.

Originally a member of the "We Are Robin" movement, Thomas swore to protect Gotham City from criminals due to Batman's absence. When the Dark Knight returned, Thomas became his protégé and took on the title of "The Signal". He is an ally and partner of Batman, and is a member of the Batman Family and the Outsiders.

He was created by Scott Snyder and Greg Capullo, and first appeared in Batman (Volume 2) #21 in 2013 or March of 2014.

Biography

Early Life

Duke Thomas is the son of the supervillain Gnomon and the social worker Elaine, whom fled to Gotham City to escape from Gnomon and the wars between immortals. Elaine would go on to marry a construction named Doug Thomas, and the two raised Duke in Tracey Towers and didn't tell him of his biological father. Duke would attend West Robinson High School, and ran track and tried out for soccer, but was kicked off the team. When the Riddler turned off all power in Gotham, he challenged the citizens to ask him a riddle that he couldn't answer if they wanted power restored. Duke started to train himself by taking brain teasers to prepare to accept the Riddler's challenge, and later helped his parents save Bruce Wayne from Hurricane Rene.

Duke and his family would later be captured by the Joker, who wanted to recreate the deaths of Bruce Wayne's parents after the supervillain learned of Bruce's alter-ego. Batman managed to save Duke from the Joker and had Julia Pennyworth take care of him, but was unable to stop Elaine and Doug from succumbing to the Joker's mind-control gas. Batman then went off to fight Joker once again, and after the battle, disappeared.

Duke was then placed into the foster system after his parents weren't found, and the child became a delinquent and was often on the police record for investigating his parent's disappearance. There, he was watched over by Dr. Leslie Thompkins, who attempted to keep Duke out of trouble until he was adopted by a family. Duke would continue to search for his parents, and was saved by Robins when he was attacked by terrorist under Gotham City. Duke was then recruited into a group called "We Are Robin", a youth group created to protect Gotham from threats while Batman's whereabouts were unknown.

Becoming the Signal

While working at the Lucius Fox Center for Gotham Youth, Duke worked alongside an amnesiac Bruce Wayne, and continued on looking for his parents while unknowingly helping Bruce regain his memories. Duke managed to find his parents at a local psychiatric hospital, but found the two permanently under the Joker's mind-control gas. When Mr. Bloom started to terrorize Gotham, Duke confronted him but was by Bruce, who had returned as Batman. Afterward, Bruce offered to teach Duke to become his protégé, and the latter accepted under the condition that he wouldn't train him to be Robin. Batman agreed and revealed Duke a yellow costume, and Duke moved to Wayne manor while Batman brought Elaine and Doug to a facility to be treated.

Duke was taught everything Batman had learned over the years, and was put into the "Cursed Wheel" program. Duke was then sent on his first mission to follow a string of murders committed by Victor Zsasz, and was gravely injured during the assignment, but later helped Batman try to find a cure to fix Two-Face's condition. When Duke and Batman tried to discover how the Riddler was terrorizing Gotham while still in his cell, Duke learned that Mr. Bloom was aiding the criminal. Duke battled Mr. Bloom, who revealed that he was not entirely human, and Thomas defeated the villain with the assistance of his mother and his newly found powers. During the Dark Nights: Metal storyline, Duke was tasked by Batman to guard the Bat cave, and accidently released the Joker from his cell while helping Hal Jordan. The Joker revealed that he knew about the Nth Metal, and that Duke and his mother were metahumans before vanishing.

Duke learned that he was a metahuman, who was capable of taking in light from his eyes and also had super vision. After the Justice League saved the Earth once again, Batman and Black Lighting decided to reform the Outsiders initiative in order to prepare for upcoming threats. Duke was lured by Karma into a trap that left him in critical condition, which was planned by Karma to isolate Batman's allies from him. Duke later helped Batman, Black Lighting, Katana, and Cassandra Cain in stopping Karma, and the group formed the Outsiders II.

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Theatrical Movies
Batman: The Movie (1966): Batman | Robin | Alfred Pennyworth | James Gordon | Chief O'Hara | Aunt Harriet
Batman (1989): Batman | Vicki Vale | Alfred Pennyworth | Alexander Knox | James Gordon | Harvey Dent
Batman Returns: Batman | Alfred Pennyworth | Catwoman | James Gordon
Batman: Mask of the Phantasm: Batman | Phantasm | Alfred Pennyworth | James Gordon | Harvey Bullock
Batman Forever: Batman | Robin | Dr. Chase Meridian | Alfred Pennyworth | James Gordon
Batman & Robin: Batman | Robin | Batgirl | Alfred Pennyworth | James Gordon
Batman Begins: Batman | Alfred Pennyworth | James Gordon | Lucius Fox | Rachel Dawes | Thomas Wayne
The Dark Knight: Batman | James Gordon | Harvey Dent | Alfred Pennyworth | Lucius Fox | Rachel Dawes | Anthony Garcia | Ginty
The Dark Knight Rises: Batman | James Gordon | John Blake | Catwoman | Lucius Fox | Alfred Pennyworth | Harvey Dent | Rachel Dawes | Anthony Garcia | Thomas Wayne
Batman v Superman: Dawn of Justice: Batman | Superman | Wonder Woman | Alfred Pennyworth | Lois Lane | Calvin Swanwick | The Flash | Aquaman | Cyborg
The LEGO Batman Movie: Batman | Robin | Batgirl | Alfred Pennyworth
Joker (2019): Thomas Wayne
The Batman (2022): Batman | Catwoman | Alfred Pennyworth | James Gordon
Joker: Folie à Deux (2024): Harvey Dent | Maryanne Stewart

Direct-to-video Movies
Batman & Mr. Freeze: SubZero: Batman | Batgirl | Alfred Pennyworth | Robin | James Gordon | Harvey Bullock | Renee Montoya
Batman Beyond: Return of the Joker: Batman II | Batman | Barbara Gordon | Robin
Batman: Mystery of the Batwoman: Batman | Batwoman (Roxanne Ballantine, Kathleen Duquesne, Sonia Alcana) | Harvey Bullock | Alfred Pennyworth | Batgirl | James Gordon
The Batman vs. Dracula: Batman | Alfred Pennyworth | Vicki Vale
Superman/Batman: Public Enemies: Batman | Superman | Power Girl | Captain Atom | Black Lightning | Shazam | Hawkman
Batman:Under the Red Hood: Batman | Jason Todd | Nightwing
Superman/Batman: Apocalypsis: Batman | Superman | Supergirl | Wonder Woman | Big Barda
Batman: Year One: Batman
Batman: The Dark Knight Returns: Batman
LEGO Batman: The Movie - DC Super Heroes Unite: Batman | Robin | Superman | Wonder Woman | Green Lantern | Cyborg | The Flash | Martian Manhunter | James Gordon
Son of Batman: Batman | Robin | Nightwing | Alfred Pennyworth | James Gordon | Thomas Wayne
Batman: Assault on Arkham: Batman
LEGO DC Comics: Batman Be-Leaguered: Batman | Justice League (Superman, Wonder Woman, Cyborg, The Flash, Aquaman)
Batman vs. Robin: Robin | Batman | Nightwing | Alfred Pennyworth | Thomas Wayne | Martha Wayne
Batman Unilimited: Animal Instincts: Batman | Nightwing | Red Robin | Green Arrow | The Flash | Man-Bat | Alfred Pennyworth | James Gordon
Batman Unlimited: Monster Mayhem: Batman | Red Robin | Nightwing | Green Arrow | Cyborg | Alfred Pennyworth | James Gordon
Batman: Bad Blood: Batwoman | Batman | Nightwing | Robin | Batgirl | Alfred Pennyworth | Lucius Fox | Batwing
LEGO DC Comics Super Heroes: Justice League: Gotham City Breakout: Bat-Family (Batman, Batgirl, Nightwing, Robin) | Justice League (Superman, Wonder Woman, Cyborg) | Teen Titans (Beast Boy, Starfire)
Batman: The Killing Joke: Batman | Batgirl | James Gordon
Batman Unlimited: Mechs vs. Mutants: Batman | Robin | Nightwing | Green Arrow | The Flash | Alfred Pennyworth | James Gordon | Kirk Langstrom
Batman: Return of the Caped Crusader: Batman | Robin | James Gordon | Chief O'Hara | Alfred Pennyworth | Aunt Harriet
Batman and Harley Quinn:Batman | Nightwing | Harley Quinn
Batman vs. Two-Face: Batman | Robin | Harvey Dent | Alfred Pennyworth | James Gordon | Chief O'Hara | Aunt Harriet
Scooby-Doo & Batman: The Brave and the Bold: Mystery Inc. (Scooby-Doo, Shaggy Rogers, Fred Jones, Velma Dinkley, Daphne Blake) | Batman | Question | Aquaman | Black Canary | Martian Manhunter | Detective Chimp | Plastic Man
Batman: Gotham by Gaslight: Batman | Selina Kyle | Alfred Pennyworth | Dick Grayson | Jason Todd | Tim Drake | Leslie Thompkins
Batman Ninja: Batman | Catwoman | Nightwing | Red Robin | Robin | Red Hood | Alfred Pennyworth | James Gordon
Batman vs. Teenage Mutant Ninja Turtles: Batman | Robin | Batgirl | Teenage Mutant Ninja Turltes (Leonardo, Michelangelo, Raphael, Donatello) | Alfred Pennyworth | James Gordon
Batman: Hush: Batman | Alfred Pennyworth | Catwoman | Nightwing | Superman | Lois Lane | Batgirl | Robin
LEGO DC Batman: Family Matters: Bat-Family (Batman, Red Hood, Batgirl, Nightwing, Robin, Batwoman) | Billy Batson
Batman: Death in the Family: TBA
Batman:Soul of the Dragon: Batman
Batman: The Long Halloween (2022): Batman | Alfred Pennyworth | Catwoman | James Gordon
Batman and Superman: Battle of the Super Sons: TBA
Batman: The Doom That Came to Gotham: Batman
Merry Little Batman: Batman | Little Batman | Alfred Pennyworth | James Gordon
Batman Ninja vs. Yakuza League: Batman | Robin | Nightwing | Red Hood | Yakuza League (Superman, Wonder Woman, The Flash, Aquaman, Green Lantern) | Alfred Pennyworth
Aztec Batman: Clash of Empires: Yohualli Coatl

Television
Batman (1943)/Batman and Robin (1949)
Batman | Robin | Alfred | Commissioner Gordon | Linda Page | Vicki Vale

Batman (1966)
Batman | Robin | Batgirl | Alfred Pennyworth | James Gordon | Chief O'Hara | Aunt Harriet

The Adventures of Batman
Batman | Robin | Batgirl | Alfred | Commissioner Gordon | Chief O'Hara

Super Friends
Batman | Robin | Superman | Wonder Woman | The Flash | Green Lantern | Alfred Pennyworth | James Gordon

The New Adventures of Batman
Batman | Robin | Batgirl | Bat Mite | James Gordon

Batman: The Animated Series/The New Batman Adventures
Batman | Nightwing | Robin | Batgirl | Alfred Pennyworth | James Gordon | Catwoman | Harvey Dent | Charlie Collins | The Creeper | Earl Cooper | Gray Ghost | Michael Stromwell| Zatanna

The Batman (2004)
Batman | Alfred Pennyworth | Robin | Batgirl | James Gordon | Lucius Fox | Ethan Bennett | Ellen Yin | Cash Tankinson | Rumor | Catwoman | Justice League (Martian Manhunter, Superman, Green Lantern, Green Arrow, The Flash, & Hawkman)

Batman: The Brave and the Bold
Batman | Superman | Wonder Woman | Green Arrow | Blue Beetle | Plastic Man | Aquaman | Red Tornado | Wildcat | Wong Fei | Red Hood | Justice League International

Beware the Batman
Batman | Katana | Alfred Pennyworth | James Gordon | Oracle | Metamorpho | Man Bat | Manhunter

Harley Quinn
Harley Quinn | Batman | Damian Wayne | Batgirl | James Gordon | Alfred Pennyworth | Justice League (Superman, Wonder Woman, Green Lantern, The Flash, Aquaman & Zatanna) | Lois Lane | Nightwing

Batwheels
The Batwheels (Bam, Redbird, Bibi, Batwing, Buff, & A.D.A.M.) | The Bat-Family (Batman, Robin, Batgirl, The Batcomputer, M.O.E., & Ace the Bat-Hound) | Superman | Aquaman | Green Arrow | Kitty | Goldie

Gotham Knights
Turner Hayes | Duela Doe | Carrie Kelley/Robin | Harper Row/Bluebird | Cullen Row | Stephanie Brown/Spoiler | Brody March | Harvey Dent

Batman: Caped Crusader
Batman | Alfred Pennyworth | James Gordon | Barbara Gordon | Renee Montoya | Harvey Dent | Lucius Fox

Bat-Fam
Bat-Family (Batman, Little Batman, Alfred Pennyworth, Claire Selton, Alicia Pennyworth, Man-Bat) | Vicki Vale | James Gordon

Video Games
Batman (1986)
Batman | Robin

Batman: The Caped Crusader (1988)
Batman

Batman: The Videogame (1990)
Batman

Batman: Return of the Joker (1991)
Batman

Batman Returns (1993)
Batman

Batman: The Animated Series (1993)
Batman | Robin

The Adventures of Batman & Robin (1994)
Batman | Robin

Batman Forever (1996)
Batman | Robin

Batman & Robin (1998)
Batman | Robin | Batgirl

Batman Beyond: Return of the Joker (2000)
Batman

Batman: Chaos in Gotham (2001)
Batman

Batman: Gotham City Racer (2001)
Batman | Robin | Batgirl | Nightwing

Batman: Vengeance (2001)
Batman

Batman: Dark Tomorrow (2003)
Batman | Oracle | Robin | Batgirl

Batman: Toxic Chill
Batman | Robin

Batman: Justice Unbalanced
Batman | Robin

Batman: Rise of Sin Tzu (2003)
Batman | Robin | Batgirl | Nightwing

Batman Begins (2005)
Batman

Batman: The Brave and the Bold - The Videogame
Batman | Hawkman | Blue Beetle | Robin | Green Lantern | Plastic Man

Batman (2013 Arcade game)
TBA

Gotham Knights
Batgirl | Nightwing | Robin | Red Hood | Batman

Also See
Justice League Heroes | DC Animated Universe Heroes | DC Extended Universe Heroes | DC Multiverse Heroes | Gotham Heroes | LEGO DC Heroes | Arkhamverse Heroes | Telltale Batman Heroes

           The Outsiders Members

Arsenal | Atomic Knight | Batgirl | Batman | Batwing | Batwoman | Black Lightning | Captain Boomerang, Jr. | Captain Marvel, Jr. | Catwoman | Creeper | Dervish | Doctor Light | Eradicator | Faust | Francine Langstrom | Freight Train | Geo-Force | Grace Choi | Green Arrow | Halo | Huntress | Indigo | Jade | Katana | Looker | Martian Manhunter | Metamorpho | Nightwing | Owlman | ReMac | Shift | Signal | Starfire | Technocrat | Terra | Thunder | Windfall | Wylde