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Marina Tsumura is the main antagonist of the first two episodes of Kamen Rider W. She uses the T-Rex Memory to transform into the T-Rex Dopant and also Shotaro Hidari's childhood friend.

In her human form, she was portrayed by Meibi Yamanouchi as an adult, and Emiri Yagi as a child. In her Dopant form, she was voiced by Hajime Iijima.

History

Kamen Rider W

Marina Tsumura was once a childhood friend of Shotaro Hidari

After she was fired from her job as Windscale's top designer along with her boyfriend Yousuke Togawa, the two buy Gaia Memories to use to exact their revenge against the company for firing them. However, after Yousuke goes berserk, Marina hired Shotaro to track down Yousuke so she can kill him.

After Double defeated the Magma Dopant and destroyed the Magma Memory, Marina as the T-Rex Dopant abducted and murdered Yousuke. When Shotaro discovers she is the T-Rex Dopant, Marina assumes her T-Rex Dopant form and attempts to kill him, only to be fought off when Shotaro and Philip transform into Kamen Rider Double. T-Rex Dopant then transforms into the Big T-Rex and attempts to flee pursued by Double. However, Double manages to destroys the T-Rex Memory with HeatMetal's Metal Branding Maximum Drive, knocking Marina out of her transformation. Double then gives Marina to the police to arrest her.

OOO, Den-O, All Riders: Let's Go Kamen Riders

In the alternate timeline where Shocker dominated the world, the T-Rex Dopant was one of the monsters who served the organization in the alternate 2011. It was part of a group of Dopants that battled Kamen Rider Double when the Kamen Riders returned to fight Shocker.

Kamen Rider Wizard

The T-Rex Dopant was one of the monster souls that resided in the world within the Magic Stone. It appeared in its Big T-Rex form as part of an army of Amadum's strongest monsters that fought against the 14 Heisei Riders.

Navigation

           W TitleVillains

Museum/Sonozaki Family
Ryubee Sonozaki | Saeko Sonozaki | Wakana Sonozaki | Kirihiko Sudo | Mick | Shinkuro Isaka | Masquerade Dopants

Foundation X
Neon Ulsland | Jun Kazu | Tabata | Doctor Prospect | Lloyd | Shion

NEVER
Katsumi Daido | Jun Kazu | Maria S. Cranberry | Kyosui Izumi | Reika Hanehara | Ken Ashihara | Gozo Domoto

Dopants
Magma Dopant | T-Rex Dopant | Money Dopant | Anomalocaris Dopant | Cockroach Dopant | Sweets Dopant | Virus Dopant | Violence Dopant | Masquerade Dopants | Arms Dopant | Bird Dopant | Ice Age Dopant | Triceratops Dopant | Liar Dopant | Dummy Dopant | Puppeteer Dopant | Invisible Dopant | Nightmare Dopant | Beast Dopant | Zone Dopant | Yesterday Dopant | Quetzalcoatlus Dopant | Hopper Dopant | Gene Dopant | Jewel Dopant | Old Dopant | Energy Dopant | Oyakodon Dopant | Bat Dopant | Spider Dopant | Commander Dopant | Death Dopant

           OOO Logo Villains

Greeed
Uva | Kazari | Gamel | Mezool | Ankh (Lost) | Giru

Yummies
Ankh: Hagetaka Yummy
Uva: Cockroach Yummy | Kamakiri Yummy | Otoshibumi Yummy | Ageha Yummy | Kabuto Yummy | Kuwagata Yummy | Batta Yummy | Kuro Ageha Yummy
Kazari: Lion Yummy | Neko Yummy | Siam-Neko Yummy | Lion-Kurage Yummy | Ei-Sai Yummy | Small Ei Yummy | Itomakiei Yummy | Ika-Jaguar Yummy | Shachi-Panda Yummy
Gamel: Bison Yummy | Rikugame Yummy | Uni-Armadillo Yummy
Ankh (Lost): Red Ōmu Yummy | Blue Ōmu Yummy | Fukurō Yummy | Shamo Yummy

Other
Gara | Kamen Rider Poseidon | King | Kiyoto Maki

Shocker
Great Leader of Shocker
Shocker Council: General Black | Llumu Qhimil | King Dark | Apollo Geist | General Shadow | High Priest Darom | Shadow Moon | General Jark | N-Gamio-Zeda | El of the Water | Kerberos | Albinoleo Imagin | Terror Dopant
Kaijin: Shocker Greeed | Zanjioh | Shiomaneking | Ikadevil | Garagaranda | Poison Lizard Man | Jaguarman | Ganikomol | Turtle Bazooka | Tiger-Roid | KomaThunder | Schwarian | Neo Organism | Garai | Ra-Dorudo-Gu | Zu-Gooma-Gu | Zu-Zain-Da | Me-Garima-Ba | Pantheras Luteus | Cetos Orcinus | GuldThunder | Metalgelas | Volcancer | Deadlemur | Lobster Orphnoch | Elephant Orphnoch | Stag Beetle Orphnoch | Octopus Orphnoch | Tiger Orphnoch | Eagle Undead | Serpent Undead | Tiger Undead | Giraffa Undead | Paradoxa Undead | Douji and Hime of Bakegani | Scorpio Worm | Sectio Worm | Cammarus Worm | Subst Worm | Owl Imagin | Scorpion Imagin | Oct Imagin | Mantis Imagin | Lion Fangire | Crab Fangire | Octopus Fangire | Utopia Dopant | T-Rex Dopant | Triceratops Dopant | Beast Dopant | Hopper Dopant
Footsoldiers: Shocker Combatmen

           Wizard Logo Villains

Phantoms
Chief Phantoms: Wiseman | Medusa | Phoenix | Gremlin | Drake | Ogre | Ghouls
Minor Phantoms: Minotauros | Hellhound | Caitsìth | Gnome | Gargoyle | Valkyrie | Lizardman | Manticore | Hydra | Beelzebub | Weretiger | Spriggan | Legion | Bogy | Argus | Raum | Bahamut | Sylphi | Sphinx | Siren | Arachne | Khepri

Monster Army
Akumaizer: Xatan | Eel | Gahra
Dopants: Arms Dopant | Hopper Dopant | Jewel Dopant | Cockroach Dopant | Nightmare Dopant | Anomalocaris Dopant | Magma Dopant | Triceratops Dopant | Yesterday Dopant | Money Dopant | Old Dopant | Energy Dopant | Beast Dopant | Virus Dopant | Liar Dopant | Masquerade Dopants
Yummies: Red Ōmu Yummy | Uni-Armadillo Yummy | Siam-Neko Yummy | Rikugame Yummy | Ei-Sai Yummy | Unicorn Yummy | Shamo Yummy | Kamakiri Yummy | Ankylosaurus Yummy | Hagetaka Yummy | Kuro Ageha Yummy | Fukurō Yummy | Same Yummy | Kuwagata Yummy | Waste Yummies
Zodiarts: Altar Zodiarts | Perseus Zodiarts | Cygnus Zodiarts | Pyxis Zodiarts | Lynx Zodiarts | Pegasus Zodiarts | Chameleon Zodiarts | Dragon Zodiarts | Coma Zodiarts | Orion Zodiarts | Musca Zodiarts | Stardust Ninja Dustards

World of Monsters
Amadum | Zu-Gooma-Gu | Me-Garima-Ba | Pantheras Luteus | Taurus Ballista | Deadlemur | GuldThunder | Sheerghosts | Armadillo Orphnoch | Paradoxa Undead | Tortoise Undead | Bakeneko | Musca Worm | Culex Worm | Cammerus Worm | Gryllus Worm | Molech Imagin | Mole Imagin | Beetle Fangire | Warthog Fangire | T-Rex Dopant |Anomalocaris Dopant | Violence Dopant | Orion Zodiarts | Hound Zodiarts | Aquarius Zodiarts | Masquerade Dopants | Stardust Ninja Dustards

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