|This article is about a/an ranger in Kagaku Sentai Dynaman.|
- ―DynaBlack's roll call[src]
Ryuu Hoshikawa (星川 竜 Hoshikawa Ryū) is DynaBlack (ダイナブラック Daina Burakku) of the Dynamen.
A descendant of Iga ninjas, skilled in the art of ninpou and invisibility and never allowing himself to miss a day of training. Comedic and cheerful, children take a liking to him. A 22 year old (50 in Gokaiger) astronomer, he dreams of contacting and befriending alien lifeforms.
Gaoranger vs. Super Sentai
Years later, Hoshikawa fought alongside not only his own team, but every single Sentai ranger in existence, against the Empire of Zangyack when it attacked the Earth in the Great Legend War. After fighting against hundreds of Gormin and their Zgormin commanders. Akarenger noticed the fleet moving towards them, he gathered all the Rangers together and gave them the order to sacrifice their powers to wipe out the first invasion's armada. The DynaBlack powers are later utilised by Don Dogoier via the Ranger Keys.
Farewell Space Pirates
After the Gokaigers defeated the second Zangyack invasion, Marvelous returned the Ranger keys to the Super Sentai, it is assumed Ryuu and his team have their powers back.
Super Hero Taisen
Ryuu, alongside his team, among the majority of the Super Sentai heroes, was caught up in the "Super Hero Taisen" incident which eventually resulted in the Super Sentai teams and Kamen Riders joining forces to defeat both Dai-Zangyack and Dai-Shocker. During the final battle, he was seen fighting a Gormin, a Zugormin, and Uni-Armadillo Yummy.
Zyuohger vs. Ninninger
DynaBlack appeared with his team among the first 38 Super Sentai whom collectively empowered Wild Tousai Shuriken King in its fight against the titanic Gillmarda, granting the Ninningers and Zyuohgers the power to perform the Zyuoh Ninnin Super Sentai Burst which destroyed Gillmarda with the combined power of all 40 Super Sentai.
Stage Show appearances
In a stage show where the Dynaman are seen fighting Tailed People Clan Jashinka Empire, Goggle Red, Goggle Black, GogglePink, Ultraman Taro, Gavan, Sharivan, VulPanther, and Kamen Rider Stronger arrive to assist the Dynaman.
Video game appearances
- Ryuu Hoshikawa/DynaBlack: to be added
Super Sentai Battle Base
DynaBlack is among the vast pantheon of Rangers which are available in the mobile game Super Sentai Battle Base, with his Battle Tector being available as well.
Super Sentai Legend Wars
DynaBlack appears with his team among all Sentai in the mobile game Super Sentai Legend Wars.
- Strong Shower
- Meteor Kick
- Black Art of Delivery
- Black Clone art
- Hiding in Leaves of Wood
- Hiding in the Smokes
- 8 Step Kick
- Ninja Art Exhaustion
- Ninja Arts Dance of Thick Fried Tofu
- Attitude Change Arts
- Black Spike (original version unused)
DynaBlack has a spandex suit, with a white main body seen in the legs with a red stripe along the sides, with the torso covered by a black "short-sleeved" shirt with a red stripe down the middle and along the cuffs, similar to the appearance of a baseball jersey. Both his gloves and boots are black in color; while a holster on the right side where he holds his DynaRod and a pin on his left torso with the Dynaman logo on it. His belt surrounds his waist with a buckle in the shape of the DynaBrace. His helmet is black, with a black visor that rises up in the middle appearing like glasses and a gray mouthpiece. The top of the helmet has a silver stripe rising up triangularly with a yellow logo inside: the top with a "II" symbol (the Roman Numeral "2") and the letters "DB" (which stands for "DynaBlack"). The logo and the visor are separated by a raised silver "lid" similar to a baseball cap.
The DynaBlack Ranger Key (ダイナブラックレンジャーキー Daina Burakku Renjā Kī) is Ryuu Hoshikawa's personal Ranger Key and what became of his powers after he along with the rest of the 34 Super Sentai sacrificed their powers to end the Great Legend War.
This key along with the majority of the Ranger Keys were collected by the Red Pirates and later used by the Gokaigers. The DynaBlack Ranger Key was mainly used by Don Dogoier (Gokai Green), who used it to fight as DynaBlack.
- When the Gokaigers became the Dynamen while fighting Deratsueigar of the Zangyack Imperial Guard.
- When the Gokaigers became the Dynamen while fighting a Zangyack force led by Insarn and Barizorg.
- When the Gokaigers became the Dynamen in order to use the New Super Dynamite attack against Action Commander Shieldon in a vain attempt to penetrate his shield.
- As part of a bombardment of changes in the final battle with Emperor Ackdos Gill. He used his ninja duplicating attack alongside Luka (Yellow Mask).
The Dynaman keys, along with all the Ranger Keys of the first 33 Super Sentai, were briefly taken by the Black Cross King and turned into Ranger puppets that were fought by the Gokaigers and the Goseigers. The Dynaman keys were defeated by Gokai Red.
After Zangyack were finally defeated, the Gokaigers gave the Ranger Keys back to their rightful owners. Ryuu received his key and became DynaBlack once more.
Behind the scenes
- Ryuu's surname, Hoshikawa, is shared with the five sibling warriors of Chikyuu Sentai Fiveman
- Ryuu is the first "official" ninja Sentai hero (the heroes of Ninja Captor were part of a revoked Sentai, while Ryuu existed many years before official ninja-themed teams such as Kakuranger, Hurricaneger or Ninninger).
- He appeared nearly a year on air before Ryo Murasame (Kamen Rider ZX), but was preceded by the Rider ninja by a year due to a manga appearance in 1982.
- While not the first Black Ranger, Ryuu is the first Black who has no association with the color Green, making him the first "pure" Black Ranger.
- During filming of Gokaiger Goseiger Super Sentai 199 Hero Great Battle, Haruta stated in an interview that he would have rather appeared as Hoshikawa instead of Kuroda, but it would have caused confusion. (his castmate Sayoko Hagiwara appeared for Dynaman instead)
Shirou • Kanpei • Ryuu • Shou • Kenta • Tetsuya • Daichi • Fumiya • Gai • Goushi • Jiraiya • Riki
Kouichirou • Sotaro • Asuka • Masumi • Gunpei • Agri • Ian • Misao • Champ • Banba
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