Signature card

A Signature Card is ONE particular card a duelist uses in almost all their Duels and is most associated with them.

Character	Signature Card(s)
Yugi Muto	Dark Magician
Seto Kaiba	Blue-Eyes White Dragon
Joey Wheeler	Red-Eyes B. Dragon
Ryo Bakura	Change of Heart
Yami Bakura	Dark Necrofear
Mai Valentine	Cyber Harpie Lady
Keith Howard	Barrel Dragon Fiendish Engine Ω (R) The Wicked Eraser (R)
Mako Tsunami	The Legendary Fisherman
Weevil Underwood	Insect Queen
Rebecca Hawkins	Fire Princess
Rex Raptor	Black Tyranno
Paradox Brothers	Gate Guardian
Maximillion Pegasus	Toon World
Hobson	Zombiemaster
Cyber Kaiba	Automatic Giant
Seeker	Exodia the Forbidden One
Espa Roba	Jinzo
Arkana	Dark Magician
Strings	Revival Jam
Lumis and Umbra	Masked Beast Des Gardius
Marik Ishtar	The Winged Dragon of Ra
Ishizu Ishtar	Exchange of the Spirit
Odion Ishtar	Cathedral of Saints
Noah Kaiba	Shinato, King of a Higher Plane
Gozaburo Kaiba	Exodia Necross
The Big Five	Five-Headed Dragon
Alister	Air Fortress Ziggurat
Valon	Psychic Armor Head
Rafael	Guardian Eatos
Dartz	Seal of Orichalcos
Shimon Muran	Exodia the Forbidden One
Priest Seto	Blue-Eyes White Dragon
Thief King Bakura	Diabound
Anubis	Theinen the Great Sphinx
Yakou Tenma	Wicked Gods
Jaden Yuki	Elemental Hero Neos Elemental Hero Terra Firma (manga)
Alexis Rhodes	Cyber Blader
Syrus Truesdale	Power Bond
Chumley Huffington	Des Koala
Chazz Princeton	Ojama Yellow Light and Darkness Dragon (manga)
Zane Truesdale	Cyber End Dragon
Kagemaru	Sacred Beasts
Camula	Vampire Genesis
Lyman Banner	Macro Cosmos
Aster Phoenix	Destiny Hero - Plasma
Nightshroud	Darkness Neosphere Red-Eyes Darkness Dragon (as Atticus) Clear World (as Yusuke)
Atticus Rhodes	Red-Eyes Darkness Metal Dragon
Jesse Anderson	Rainbow Dragon
Axel Brodie	Volcanic Doomfire
Adrian Gecko	Cloudian - Eye of the Typhoon
Vellian Crowler	Ancient Gear Golem
Blaze	Thestalos the Firestorm Monarch
Frost	Mobius the Frost Monarch
T-Bone	Granmarg the Rock Monarch
Thunder	Zaborg the Thunder Monarch
The Supreme King	Super Polymerization
Yubel	Yubel Rainbow Dark Dragon (as Jesse)
Trueman	Dark Archetype
Yusuke Fujiwara	Honest
Sartorius	Arcana Force Ex - the Light Ruler
Professor Viper	Vennominaga the Deity of Poisonous Snakes
Yusei Fudo	Stardust Dragon
Jack Atlas	Red Dragon Archfiend
Akiza Izinski	Black Rose Dragon
Luna	Ancient Fairy Dragon
Leo	Power Tool Dragon
Crow Hogan	Blackwing Armor Master
Hunter Pace	Supersonic Skull Flame
Bolt Tanner	Giant Ushi Oni
Sayer	Thought Ruler Archfiend
Greiger	Flying Fortress SKY FIRE Earthbound Immortal Chacu Challhua (as a Dark Signer)
Kalin Kessler	Earthbound Immortal Ccapac Apu (as a Dark Signer)
Aero & Blister	Machiners Sniper
Trudge/Sector Security	Guard Block
Carly Carmine	Earthbound Immortal Aslla piscu (as a Dark Signer)
Misty Tredwell	Earthbound Immortal Ccarayhua (as a Dark Signer)
Roman Goodwin	Earthbound Immortal Uru (as a Dark Signer)
Devack	Earthbound Immortal Cusillu (as a Dark Signer)
Rex Goodwin	Earthbound Immortal Wiraqocha Rasca (as a Dark Signer)
Ghost	Machine Emperor Wisel Infinity
Rudolph Heitmann	Ancient Gear Golem
Sherry Leblanc	Fleur de Chevalier
Dark Glass	Tech Genus Blade Gunner MAXX-10000