is a Japanese tokusatsu series that serves as the 48th installment in the Super Sentai franchise produced by TV Asahi and the fifth entry in the Reiwa era.

Main characters Boonboomgers

The primary members of the eponymous Boonboomgers composed of Taiya, Ishiro, and Mira each carry a speedometer-like , which is usually attached to their bracelet, as their transformation device along with a , which can be reconfigured into varying forms, such as , as their sidearm.

The secondary members composed of Jyo and Genba each carry a variant of the Boonboom Changer called the as their transformation device along with a , which like the Boonboom Handle can be reconfigured into varying forms, such as Handle Mode, as their sidearm. Similarly to the Boonboom Changer, the Boonboom Booster is usually attached to the Boonboom Change Axe.

After the arrival of the team's sixth member, it is revealed that Boomboomger was originally the name of Bundorio and Byun's team from when they used to compete together in an intergalactic race called the , abbreviated as BBG.

The Boonboomgers later acquire the gear stick-like device, which allows the primary and secondary members to become the . While transformed, they wear , which grant the use of varying abilities based on the Boonboom Cars. If necessary, Sakito can borrow a Champion Jacket from one of his teammates to assume his own Champion Boonboomger form.

Taiya Hando , code-named the , is a secretly wealthy car lover who works as a deliverer and developed the Boonboomger arsenal. He originally formed the Boonboomgers as a racing team to fulfill his dream of competing in the BBG. After Spindo's death, he travels through the universe with the other four Boonboomgers and Bundorio to save planets suffering from Hashiriyan remnants before competing in the BBG.

Taiya can transform into . While transformed, he primarily wields the Boonboom Handle in . He also rides the . During the events of the V-Cinema Bakuage Sentai Boonboomger vs. King-Ohger, his Boonboom Changer evolves into the , which grants the ability to initiate combinations of the Boonboom Cars and the Shugods.

Later in the series, Taiya acquires the fire extinguisher-like firearm, which allows him to transform into the armored , based on a firefighter's uniform and inspired by his childhood dream. While transformed, he is equipped with the twin shoulder-mounted hydrokinetic nozzles.

Taiya Hando is portrayed by . As a child, Taiya is portrayed by .

Ishiro Meita , code-named the and nicknamed , is a freelance spy and Taiya's informant.

Ishiro can transform into . While transformed, he primarily wields the Boonboom Handle in .

Ishiro Meita is portrayed by .

Mira Shifuto , code-named the , is a part-time worker who works various jobs and is also skilled with any vehicle. She originally was forced into an unwanted marriage, but was rescued during the wedding ceremony by Taiya who was hired by her boyfriend. However, instead of running away with her boyfriend, she decides to join the Boonboomgers when Taiya convinced her to not let others take control of her life. After Spindo's death, she temporarily becomes the owner of the BBG and removes Hashiriyans' influence from the racing event.

Mira can transform into . While transformed, she can wield the Boonboom Handle in either Rod Mode as an upside down club or Handle Mode as a sonic weapon.

Mira Shifuto is portrayed by . As a child, Mira is portrayed by .

Jyo Akuse , code-named the , is a policeman who acts as liaison with the ISA. Near the end of the series, he cuts ties with the police.

Jyo can transform into . While transformed, he primarily wields the Boonboom Change Axe in Rod Mode.

Jyo Akuse is portrayed by . As a child, Jyo is portrayed by .

Genba Bureki , real name and code-named the , is Taiya's supplier and a humanoid alien from . He is able to procure anything that anyone needs and uses his skills to support the team from the sidelines before officially joining as a Boonboomger. His predilection for sweets, particularly lollipops, is later revealed to be because he requires a constant intake of sugar to maintain his human disguise. He temporarily leaves the team in the hopes of personally defeating his archenemy Disrace, who enslaved his planet for the Hashiriyans, but later rejoins them after seeing their resolve. As of the stage play Bakuage Sentai Boonboomger: Final Live, his planet has been liberated from the Hashiriyans and he has become a major sponsor of his racing team.

Genba can transform into . While transformed, he primarily wields the Boonboom Change Axe in .

Genba Bureki is portrayed by .

Sakito Homura , code-named the , is a man who travels through the universe with his partner Byun Diesel. After losing his parents at an early age, he met the Settlers including Byun at the age of 10 and left Earth to join them.

Unlike the primary or secondary Boonboomgers, Sakito utilizes the sidearm, which can switch between and , to transform into . While transformed, he primarily wields the Boonboom Controller in Bowgun Mode. As of the stage show Bakuage Sentai Boonboomger: Final Live, he is given his own Champion Jacket.

Sakito Homura is portrayed by . As a child, Sakito is portrayed by .

Boonboom Cars The are the Boonboomgers' mecha that requires using their sidearms in Handle Mode, or Controller Mode in the case of Bun Violet, to pilot them. With the exception of Boonboom Trailer, Off Road Ghost, and Leo Rescue, Byunbyum Mach, and Champion Carrier, each Boonboom Car has an that when activated deploys a unique weapon. : Bun Blue's personal off-road vehicle-themed Boonboom Car whose Attack Mode deploys the . : A yellow-colored copy of Boonboom Off Road. : The Hashiriyan's dark copy of Boonboom Off Road to supply Boonboom Killer Robo with the . Despite being normally autonomous, it can also act as a vehicle to be driven by a handful of Nezirettas. : Bun Pink's personal station wagon-themed Boonboom Car whose Attack Mode deploys the grapple. : The Hashiriyan's dark copy of Boonboom Wagon to supply Boonboom Killer Robo with the grapple. Despite being normally autonomous, it can also act as a vehicle to be driven by a handful of Nezirettas. : Bun Black's personal police car-themed Boonboom Car whose Attack Mode deploys the clamp. : Bun Black's secondary police van-themed Boonboom Car whose Attack Mode deploys the twin handguns. : Bun Orange's personal excavator-themed Boonboom Car whose Attack Mode deploys the turret. : Bun Orange's secondary bulldozer-themed Boonboom Car whose Attack Mode deploys the . : A classic car-themed auxiliary Boonboom Car whose Attack Mode deploys the . : A sports car-themed auxiliary Boonboom Car whose Attack Mode deploys the splitter. : A game viewer vehicle-themed auxiliary Boonboom Car equipped with an artificial intelligence inspired by Engine Speedor whose Attack Mode deploys the twin . : A mobile billboard/aquarium-themed auxiliary Boonboom Car equipped with an artificial intelligence inspired by Engine Speedor whose Attack Mode deploys the jaws. : Bun Red 119's personal fire engine-themed Boonboom Car that can use the turntable ladder/water cannon hybrid to activate the other Boonboom Cars' Attack Mode. It can also transform into the lion-themed , which is equipped with an artificial intelligence inspired by Engine Speedor and possesses an armored form that is accessed by combining with Boonboom Off Road, Patrol Car 2, Dozer, and Classic. : A small fire engine-themed auxiliary Boonboom Car stored in the Boonboom Leo Rescue whose Attack Mode deploys a water cannon. : A car carrier trailer-themed Boonboom Car inspired by the Ressha that can combine with its four to assume . : A hydrogen car-themed auxiliary Boonboom Car whose Attack Mode deploys the twin boosters.

Bundorio Bunderas , nicknamed , is an alien machine life form who was a BBG racer before his license was revoked for using illegal parts unbeknownst to him, which provoked an accident. During his disappearance following the revocation of his license, Bundorio was scouted to work for Waruido Spindo and developed several items for him, including the Ignition Keys, before leaving the Hashiriyan after knowing Spindo's true colors and cooperating with the police for his arrest while faking his death to escape from Spindo's fury. Bundorio ended up on Earth where he befriended Taiya, and the two developed the Boonboomger arsenal with the purpose of enabling Bundorio to return to the BBG as Taiya's mechanic, only to use it primarily to fend off the Hashiriyans' invasion of Earth. After Spindo's death, his reputation in the BBG is restored thanks to Mira.

Bundorio can enlarge and transform into the , a semi-trailer truck-themed Boonboom Car that Bun Red pilots. In this form, he can assume where he gains the use of the to activate the other Boonboom Cars' Attack Mode. Afterwards, he assumes a humanoid form and combines with two other Boonboom Cars to form the Boonboomgers' giant robot; .

Boonboomger Robo: The default combination of Boonboom Trailer, Off Road, and Wagon. : An enhanced version of Boonboomger Robo that combines with Boonboom Classic. : A variant of Boonboomger Robo that replaces Boonboom Off Road and Wagon with Boonboom Patrol Car 1 and Racing. : A variant of Boonboomger Robo that replaces Boonboom Off Road and Wagon with Boonboom Shovel and Patrol Car 2. : A variant of Boonboomger Robo that replaces Boonboom Off Road and Wagon with Boonboom Safari. : An enhanced version of Boonboomger Robo that gains the use of the Mach Wings and Bakuage Charger from Byunbyum Mach Robo. : A variant of Wing Boonboomger Robo that replaces Boonboom Wagon with Boonboom Safari. : The police officer-themed combination of Boonboom Trailer, Patrol Car 1, and Patrol Car 2. : The construction worker-themed combination of Boonboom Trailer, Shovel, and Dozer. : An enhanced version of Boonboomger Robo Builder that combines with Boonboom Wagon. : The boxer-themed combination of Boonboom Trailer, Off Road, and Off Road Ghost. : The swordsman-themed combination of Boonboom Trailer, Racing, and Classic. : The kaiju-themed combination of Boonboom Trailer, Marine, and Safari. : An enhanced version of Boonboomger Robo Monster that gains the use of the Mach Wings from Byunbyum Mach Robo. : The firefighter-themed combination of Boonboom Trailer, Leo Rescue, and Shobosha. : An enhanced version of Boonboomger Robo 119 that combines with Byunbyum Mach, Boonboom Off Road, Wagon, Patrol Car 1, Patrol Car 2, Shovel, Dozer, Classic, Racing, Safari, and Marine. : The rikishi-themed combination of Boonboom Trailer, Off Road, and Wagon, and Champion Carrier. : A variant of Boonboomger Robo Champion that replaces Boonboom Off Road and Wagon with Boonboom Leo Rescue. : The Santa Claus-themed combination of Boonboom Trailer, Leo Rescue, and Shobosha, and Champion Carrier. : A special combination of Boomboom Trailer, Racing, and Gods Tombo, Papillon, and Ant. This combination appears exclusively in the V-Cinema Bakuage Sentai Boonboomger vs. King-Ohger.

Bundorio Bunderas is voiced by .

Byun Diesel , nicknamed , is an alien machine life form, the same race as Bundorio, who is Sakito's partner. Like Bundorio, he is a former BBG racer and a teammate of his. He lost a race with Bundorio just once, which coincidentally was a race to decide the team's name.

Similarly to Bundorio, Byun can enlarge and transform into the , a Formula One car-themed Boonboom Car that Bun Violet pilots. In this form, he gains aerokinesis. He can also deploy the jet pack-like to assume a humanoid form and become Bun Violet's personal giant robot, , where he wields the crossbow. : An enhanced version of Byunbyum Mach Robo that combines with the Blue, Yellow, Green, and Pink Ressha to gain imagination capabilities and wield ToQ-Oh's Fumikiri Ken. : An enhanced version of Byunbyum Mach Robo that combines with Engine Speedor to gain supersonic speed.