is a Japanese tokusatsu series that serves as the 28th installment in the Super Sentai franchise and the 16th entry in the Heisei era. In an iteration of the planet Earth where extraterrestrial contact is possible, the S.P.D. (Special Police Dekaranger) battles alien criminals collectively called "Alienizers".

Main characters

Dekarangers The eponymous Dekarangers are members of the S.P.D.'s Earth unit who protect Earth from intergalactic criminals called Alienizers. Each of the primary members possess an device, which allows them to transform via ; communicate with each other, analyze items pertaining to a case they are working on, and summon their Deka Machines to battle Kaijuki via ; and determine a criminal's innocence in a particular crime and whether or not they can be approved for deletion via . While transformed, they each carry a varying pair of sidearms, which can combine to form a firearm-like weapon. They also ride varying for transportation.

After undergoing further training, the primary Dekarangers gain the ability to assume , which clads them in armor that grants heat-seeking, X-ray, and night vision capabilities. They also wield high-powered machine guns.

Ban , also known as , is a hot-headed, chaotic, loudmouthed, bad-tempered, yet fiercely loyal and friendly rookie member of the S.P.D., who previously trained in space before being assigned to lead S.P.D.'s Earth unit in the field as . While he joins the newly created Fire Squad as an elite officer in the series finale, he occasionally returns to help his original team. Initially having an immature personality, he slowly matures throughout the series.

In battle, Ban is a practitioner of the space martial art , which blends unarmed martial arts skills with gunplay. As Deka Red, he dual wields a pair of rayguns, which can combine to form the shotgun and allow him to perform the , , , , and attacks. He also shares riding the police car with Jasmine. If necessary, he can borrow Doggie Kruger's D-Sword Vega to perform the and attacks.

During the events of the crossover film Mahō Sentai Magiranger vs. Dekaranger, Ban acquires a variant of the SP License called the , which allows him to transform Murphy K-9 into his armor to assume where he gains a rocket booster pack and a pair of siren lasers. In this form, he wields a sword/rifle hybrid, which allows him to perform the finisher.

As of the direct-to-video anniversary special Tokusou Sentai Dekaranger: 10 Years After, Ban has acquired a red-colored S.W.A.T. Mode vest to signify his membership in the Fire Squad. During the events of the direct-to-video anniversary special Tokusou Sentai Dekaranger 20th: Fireball Booster, he acquires a variant of the SP License called the , which allows him to transform into the armored . While transformed, he wields the D-Sword Vega, which allows him to perform the finisher.

Ban is portrayed by .

Hoji , also known simply as , is the professional, yet arrogant and stubborn, second-in-command and sniper of the team who serves as . While he is reserved about his personal life and shows little emotion to prevent both from interfering with his work, he has a tendency to blurt out English phrases such as "Perfect!", "Unbelievable!", and "Super cool!". Due to their differing personalities, Hoji clashes with Ban early in the series, though Hoji slowly warms up to, and becomes friends with, Ban. Later in the series, Hoji applies for a gold badge promotion from the Tokkyou division, but ultimately refuses it due to a personal tragedy. In the direct-to-video anniversary special Tokusou Sentai Dekaranger: 10 Years After, Hoji goes undercover as a shut-in after Doggie Kruger's seeming turn to crime to help Ban and Sen-chan restore their leader's reputation.

As Deka Blue, Hoji wields the and the baton, which can combine to form the rifle. He also rides the police motorcycle. Using the D-Rod, Hoji can perform the attack.

Hoji is portrayed by .

Sen-chan , also known as , is the eccentric, yet calmest and smartest member, of the team, due in part to his ability to think things through and being able to do his best thinking while in a handstand, which he considers his "thinking pose". Sen-chan serves as . The oldest of seven siblings from a poor family, he displays nycto- and claustrophobia after accidentally falling into a well when he was a child. He was subsequently rescued by a policeman, which inspired him to take up police work. Despite his usually calm demeanor, he is said to be scary when angered. He also displays a crush on his teammate Umeko, but avoids showing it publicly. As of the crossover film Mahō Sentai Magiranger vs. Dekaranger, they have moved in together.

As Deka Green, Sen-chan wields the D-Knuckle and D-Rod, which can combine to form the rifle. He also shares riding the police car with Umeko. Using the D-Rod, Sen-chan can perform the attack.

Sen-chan is portrayed by . As a child, he is portrayed by .

Jasmine , also known as , is a calm and collected psychic, or "ESPer", who serves as . In the past, she suffered from depression over her then-inability to control her abilities and contemplated suicide by allowing an Alienizer to kill her. However, she was rescued and recruited by Doggie Kruger. In the present, she is good friends with her teammate Umeko, with whom she forms a tag-team called the . As of the direct-to-video anniversary special Tokusou Sentai Dekaranger: 10 Years After, Jasmine is married and has a son named .

Jasmine's ESPer abilities allow her to pick up on sensory impressions of others by handling an object connected to them or visiting a location her target has been to, though overuse of her powers exhausts her. To control her powers, she wears gloves. Furthermore, as a result of breast-feeding her son during the direct-to-video anniversary special Tokusou Sentai Dekaranger: 10 Years After, Jasmine temporarily gained the ability to teleport herself to any part of the universe, which she loses as of the direct-to-video anniversary special Tokusou Sentai Dekaranger 20th: Fireball Booster. In the crossover film Mahō Sentai Magiranger vs. Dekaranger, she displays the ability to break the fourth wall.

As Deka Yellow, Jasmine wields the D-Knuckle and the jitte, which can combine to form the handgun and allow her to perform the attack alongside Umeko. Using the SP License, she can perform the attack.

Jasmine is portrayed by . As a child, she is portrayed by .

Umeko , also known as , is a ditzy, yet kind-hearted and perky, member of the team who serves as , though she frequently claims to be the field leader. Throughout the series, she spends every moment she can in a bubble bath with her three rubber ducks, Umeyo, Umenosuke, and Umegoro. After learning of Sen-chan's feelings for her, she moves in with him, as of the crossover film Mahō Sentai Magiranger vs. Dekaranger.

As Deka Pink, Umeko wields the D-Knuckle and D-Stick, which can combine to form the D-Shot and allow her to perform the Twin Cam Shot alongside Jasmine. Using the SP License's , she can instantaneously change her outfit for disguise purposes.

Umeko is portrayed by .

Tetsu , also known as , is an elite officer from S.P.D.'s division, serving as the white-colored , who was sent to Earth to delete the Hells Siblings and staying on Earth to help the Earth unit. As a child, Tetsu's parents were killed by an Alienizer named Genio, before Tetsu was taken off-world and raised by S.P.D. Due in part to this, he is initially distant from the other Dekarangers, but eventually befriends them.

In battle, Tetsu is a practitioner of the fighting style , a martial art that all Tokkyou officers train in to better handle their equipment and battle particularly deadly Alienizers. Unlike the primary Dekarangers, he wields the , which functions as an SP License, can double as a life-support system and a fire extinguisher, and allows him to perform a variety of specialized attacks. He also rides the police motorcycle.

During the events of the crossover film GoGo Sentai Boukenger vs. Super Sentai, Tetsu, among other veteran Sentai warriors, is recruited by Boukenger member Eiji Takaoka to help him rescue his allies and defeat the Time Demon, Chronos. In the direct-to-video anniversary special Tokusou Sentai Dekaranger: 10 Years After, Tetsu becomes the new head of S.P.D.'s Earth unit, following Doggie Kruger being framed for murder, and assists in clearing his predecessor's name.

Tetsu is portrayed by . As a child, he is portrayed by .

Deka Base The is the primary headquarters and base of operations of the S.P.D. Earth unit. It is equipped with and houses the Deka Machines. Additionally, the Deka Base can transform into either the , which is equipped with the cannons, or the humanoid , which is equipped with and . Deka Base Robo's finisher is the .

As of the direct-to-video anniversary special Tokusou Sentai Dekaranger: 10 Years After, the Deka Base has been rebuilt and renamed the . As of the direct-to-video anniversary special Tokusou Sentai Dekaranger 20th: Fireball Booster, the Neo Deka Base has been rebuilt and renamed the .

Deka Machines The are vehicle-themed mecha that are dispatched from the Deka Base and can combine into giant robots through either or . : Deka Red's personal six-wheeled, police car-themed Deka Machine that forms the head and torso of Dekaranger Robo. It is also equipped with a pair of , which allows it to wield the in its formation. : Deka Blue's personal autogyro-themed Deka Machine that forms the left leg of Dekaranger Robo. It is also equipped with the Gatling guns, the handcuffs, and the . : Deka Green's personal armored semi-trailer truck-themed Deka Machine that forms the right leg of Dekaranger Robo. It also carries the Judgement Sword and the into battle. : Deka Yellow's personal armored car-themed Deka Machine that forms the right arm of Dekaranger Robo. It is also equipped with floodlights, which allow it to perform the and attacks. : Deka Pink's personal buggy-themed Deka Machine that forms the left arm of Dekaranger Robo. It is also equipped with a large retractable signboard. : Deka Break's personal police motorcycle-themed Deka Machine that can be ridden by Dekaranger Robo in the formation, allowing it to perform the attack. : A combat vehicle–themed Deka Machine from S.P.D.'s Planet Leslie branch that Deka Break pilots during the events of the film Tokusou Sentai Dekaranger The Movie: Full Blast Action.

Pat Wings The are aircraft-themed mecha that Swan designed to work in conjunction with the primary Dekarangers' S.W.A.T. Modes. : Deka Red's personal fighter jet–themed Pat Wing that forms the head, torso, and upper legs of Deka Wing Robo. It also possesses the highest speed and mobility. : Deka Blue's personal VTOL-themed Pat Wing that forms the arms of Deka Wing Robo. It also possesses hovering capabilities, high stability, and wingtip blasters. : Deka Green's personal cargo jet–themed Pat Wing that forms the lower legs of Deka Wing Robo. It is also highly confidential, making it suitable for the conveyance of dangerous goods. : Deka Yellow's personal stealth bomber–themed Pat Wing that forms the right foot of Deka Wing Robo. It also possesses high stealth and endurance capabilities, and is equipped with special arms such as flares and tear gas bombs. : Deka Pink's personal water bomber–themed Pat Wing that forms the left foot of Deka Wing Robo. It is also equipped with a speaker and fire-extinguishing capabilities.

Tokusou Combinations : The Dekarangers' first giant robot composed of the five main Deka Machines that wields the Signal Cannon, which allows it to perform the finisher, and the Judgement Sword, which allows it to perform the finisher. : The of Dekaranger Robo and the Deka Bike that is equipped with a series of boosters. Its finishers are the and the .