Dennō Bōkenki Webdiver

Kento Yūki (結城ケント, Yūki Kento)

Voiced by: Yumiko Kobayashi

The main protagonist. The fourth grade kid that is lucky enough to escape through the remaining gate before the virus control it. Later then, he also meets one of the web knights called Gladion who has survived the brainwashing and starts to pilot him. In real life he doesn't have special talent or being smart and cause some trouble in school but inside the web he is a skilled pilot and also care to all his friends, including Web Knights and develops a deep relationship with them.

Aoi Arisugawa (有栖川アオイ, Arisugawa Aoi)

Voiced by: Shiho Kikuchi

The heroine, a close friend of Kento and grand daughter from Prof. Arisugawa who develops Magical Gate. She is also the only girl in the group. Although she doesn't pilot any web knight, she acts as operator and CIC in Magical Station (the base for Web Knights) with Karon and Kaito (after he joined and when he's not in pilot). She also able to escape Magical Gate with Kento and starts to assist Kento after she's aware of Kento's mission.

Naoki Asaba (浅羽ナオキ, Asaba Naoki)

Voiced by: Junko Takeuchi

Kento's childhood friend and class mate. Naoki often shares rivalry with Kento in some sports and also often to argue with Kento. But they are close friends. He was trapped and brainwashed at first but then Kento and Gladion defeats plus save him with Draguon. Unlike other kids that saved and remember nothing, he actually remembers what happened so he joined the group and stay as Draguon's pilot.

Shō Kurachi (倉知ショウ, Kurachi Shō)

Voiced by: Yuki Kaida

Another Kento's senior and Jean's classmate. He was trapped and brainwashed as well plus pilotting the last Web Knights set that Kento and Gladion need to fights and save them. After saved he joined the group and pilots Daitarion which is a surprise to his friends as Daitarion is main Web Knights. Shō has wise and smart personality which makes him reliable by other members and Daitarion as well (which previously he doesn't trust anyone)

Jean-Jacques Jacquard (ジャン・ジャック・ジャカール, Jan Jakku Jakāru)

Voiced by: Masataka Nakai

Kento's senior in school and he is from France that stayed in Japan. Jean is also one of survivor that can escape Magical Gate but he doesn't aware to Kento's mission at first. After Garyun has recruited, he volunteer to help Kento and serve as Garyun's pilot much as his pleasure due to his hobby as Galleon ship figurine collector and his Web Knights is a Galleon ship.

Kaito Yūki (結城カイト, Yūki Kaito)

Voiced by: Reiko Takagi

Kento's little brother that trapped inside Web but he's not brainwashed, instead he just trapped inside Daitarion. His father tried to save him but failed. This forcing Kento to save them both. At first Kento doesn't let him join but as the group transported to alternate dimension inside the Web world and forced to fight Deletloss Kento doesn't have other choice. As the youngest boy in the group, He has little to no experience in battle and also only have minor role to help Aoi but he can be helpful in rare situations, such as evacuating the whole group when they're trapped and wounded. Despite he being newbie, Wyverion allow him as pilot and got some experience in the battle field few times plus the fact making strongest mode when Wyverion piloted by Kaito fused with Gladion.

Gladion (グラディオン, Guradion)

Voiced by: Tomokazu Sugita

Kento's partner Web Knight and also one of the Master Web Knights, Gladion is the only knight-type Web Knight, first appearing as a steam locomotive which transforms into a gladiator. Its true identity is a winged warrior who lives in the planet Couria located in the Andromeda Nebula, 2.4 million light years away from the earth. He is the undisputed strongest warrior in the universe who won the "Space Warrior Martial Arts Tournament" held in the same star system, and faced the invasion of Deletloss alone without regard to danger. In his escape His deeds gave hope to the people of Couria, and his courage inspired warriors on other planets. And he came to be called "Hero" before he knew it. However, the battle with Deletloss ends in a trade-off, and the planet Couria is destroyed. After plugging into a computer and fighting, he lost his physical body and became data. After meeting the Autonomous Management Program Ange, he was reborn as a Web Knight who protects the Magical Gate in order to fight for justice and protect the children's smiles by Web-diving with Kento to evolve and combine with other Web Knights. When combined with Wyverion, which was supposed to be combined from the beginning, it becomes Victory Gladion, Web Divers Kento and Kaito grow white wings, and the coloring of the diver suit changes.

In the final battle, he received great damage in the first battle with Dark Gladion and was wrecked, and he lost his memory and was in danger of disappearing, but he was given the power of the mind by Kento who web dived and headed for his spiritual world. He regained his memory and was revived. In the final battle, together with Kento, he becomes a cyber datanoid resembling an angel with a long lower body without legs, and a real datanoid that mimics his past self equipped with a sword. After a deadly battle with Deletloss on the planet Couria, he got caught up in ensuing explosion, but survived safely.

Ange (エンジェ, Enje)

Voiced by: Ai Uchikawa

An Articial Intelligence used by the Magical Gate. Its personality is based after Aoi's late mother: Mika Arisugawa and its appearance differs depending on who sees it, and the current appearance of Ange, who looks like a fairy with wings, is what Kento and the others imagined. She is in charge of all of the Magical Gates, where the consciousness data of children all over the world are gathered, and as long as the Ange is activated normally, the Magical Gates do not require human management. In the final episode, everyone's "prayer" for Kento and Gladion was delivered by Ange using Aoi as a catalyst.

Charon (カロン, Karon)

Voiced by: Yuki Kaida

A minicomputer that manages the Magical Gate, created by Kento's father to provide support to him and Gladion against Deletloss. It has a variety of functions, such as a scanning function that distinguishes the real from fake. However, the system is unable to see through disguises. It ends its speeches with "~pyoko" and its personality is female.

Griffion (グリフィオン, Gurifion)

Voiced by: Yuuichi Nakamura

A jet which transforms into a griffin. Griffion can also become an armor/weapon module which mounts on Gladion's chest.

Phoenixon (フェニクオン, Fenikuon)

Voiced by: Kenichi Suzumura

A shinkansen train which transforms into a Phoenix. Phoenixon can also become an armor/weapon module which mounts on Gladion's chest.

Sharkon (シャークオン, Shākuon)

Voiced by: Hiroyuki Yoshino

A hovercraft which transforms into a shark. Sharkon can also become an armor/weapon module which mounts on Gladion's chest.

Jaguaron (ジャガオン, Jagaon)

Voiced by: Tokuyoshi Kawashima

A sportscar which transforms into a jaguar. Jaguaron can also become an armor/weapon module which mounts on Gladion's chest.

Garyūn (ガリューン)

Voiced by: Katsuyuki Konishi

A pirate galleon which transforms into a chinese dragon. Garyūn can also become an artillery emplacement for Gladion to operate.

Kerberion (ケルベリオン, Keruberion)

Voiced by: Michio Miyashita

A saw-equipped vehicle which transforms into a cerberus.

Orthrion (オルトリオン, Orutorion)

Voiced by: Akio Suyama

A drill-equipped vehicle which transforms into an orthrus.

Golemon (ゴレムオン, Goremuon)

Voiced by: Michio Miyashita & Akio Suyama

The combined form of Kerberion and Orthrion: a mayan/aztec-style warrior golem.

Dragwon (ドラグオン, Doraguon)

Voiced by: Shinji Kawada

A Semi-trailer truck which transforms into a European dragon. Dragwon can transport Gladion and can also become an artillery emplacement for Gladion to operate

Wyverion (ワイバリオン, Waibarion)

Voiced by: Katsuyuki Konishi

A World War II propeller-driven fighter plane with seaplane pontoons which transforms into a wyvern. Wyverion can become a winged flight backpack for Gladion.

Pegasion (ペガシオン, Pegashion)

Voiced by: Kenichi Suzumura

A moon rover which transforms into a unicorn-headed centaur. Pegasion can become a weapon gauntlet or a different head for Daitarion, forming "Ditalion Pegas."

Ligeron (ライガオン, Raigaon)

Voiced by: Yuuichi Nakamura

A tiltrotor aircraft that transforms into a liger. Ligeron can become a weapon gauntlet or a different head for Ditalion, forming "Ditalion Liga."

Ditalion (ダイタリオン, Daitarion)

Voiced by: Nobuo Tobita

A massive, fantastical airship which transforms into a titanic robot. When transformed into airship mode, Ditalion's head separates, becoming a smaller robot called "Titan." With Ligeron and Pegasion both combined as gauntlets, Ditalion becomes "Ditalion Prime."

Deletloss (デリトロス, Deritorosu)

Voiced by: Fumihiko Tachiki

The leader of Deletloss, a mysterious program of that suddenly appeared in the real world and corrupted the Magical Gate, resulting to about 300,000 children to be lost in the web and brainwashing all of the Web Knights except for Gladion and Wyverion. The Deletloss Program has been confirmed several times in the World Link Management Bureau, but its capacity far exceeds the limit of the amount of data that can exist in the Magical Gate. Its existence baffled the Administration as its only a small part of it that attacked.

Its true identity was a computer program accidentally created by a scientist on the planet Couria one million years ago. With a ruthless and despicable personality that believes absolutely in the power of evil, he is truly an incarnation of evil. After destroying the planet, he planned to eliminate his old enemy and only survivor, Gladion, and even evolved into a datanoid that could materialize in the real world, invading the Earth's cyberspace and destroy the entire universe. He can also utilize his Web Knight form under the name Dark Gladion. By uniting with Ryuto in the final battle and taking in the soul that resents himself drifting in the cyber world of Couria, he then gained another form resembling a long legless lower body and a monocular demonic cyber body datanoid with wings. It has evolved into a real datanoid in the form of Ryuto, who wears armor with a design and is equipped with a sword. When he's a cyber body datanoid, his weapons are energy waves emitted from his right hand and light bullets emitted from both hands. With its overwhelming fighting power, Gladion suffers, but is defeated by Gladion, who also became a datanoid after fusing with Kento. Deletloss was mortally wounded by Gladion's Break Zahn and was destroyed in an explosion along with the planet.

Ryuto (リュウト, Ryūto)

Voiced by: Hiroyuki Yoshino

A male child replica of Kento created by Deletloss based on the data of Kento. His fighting ability surpasses Kento, and even if he web-dives against Deletloss monsters with inferior performance, he fights more than Kento. He uses him as a sample to obtain human emotions, and eventually tries to have the same ability as Kento. However, he lacks composure, such as being irritated by being shown the strong bond between Kento and his companions, and not being able to understand it. He emits evil energy to manipulate objects and creatures in Virtual Diverland, and by snapping his fingers, he can transfer himself and others to another space, and he also has the healing ability with the light emitted from his left hand. Its true identity is Deletloss itself, and in the final battle, it becomes a real datanoid by being virtually integrated with Deletloss, and confronts Gladion, who also became a datanoid. Using a sword as a weapon, he fought using Dark Gladion's technique, Darkness Zahn, but was defeated by Gladion.

Rada (ラーダ, Rāda)

Voiced by: Yuichi Nakamura

Ryuuto's loyal follower. He denies friendship and has a ruthless personality, such as trying to tear the bond between Kento and his companions, and is the only Deletloss monster with a will of his own. On the other hand, he has a calm side that holds down Ryuto who runs ahead. His duties include monitoring Kento and the others and adjusting the Deletloss monsters. He himself hides in the shadows of his opponents and hypnotizes them, emits electromagnetic waves that block the movement of Master Web Knight, and finally transforms his body into a snake to capture his opponents, and puts anyone he touches into a coma. have various abilities. His fighting ability is inferior to other Deletloss monsters, but he can use various tactics due to his high intelligence. He was destroyed in episode 43.

Dennō Bōkenki Webdiver first premiered on TV Tokyo and other affiliate stations in Japan beginning April 6, 2001 until March 29, 2002, with a combined run of 52 episodes. R.A.M, a group formed by Hideaki Takatori alongside Akihiko Hirama and Sister MAYO performed both the show's opening themes: "DIVER＃2100" and "SO DIVE!" while KATSUMI performed the first ending theme "TOGETHER" and Hironobu Kageyama sang the second ending theme "Fighters". Yuzo Hayashi composed the music for the show.

Nippon Columbia released the series on both DVD and VHS during the show's run. Frontier Works released a 20th Anniversary Blu-ray Box Set on December 22, 2021, containing two discs with all 52 episodes, a limited edition Drama CD "The Return of the Web Knight", a special Soundtrack CD, illustrations and concept art for the show. The box set also includes the exclusive weapon parts "Holy Sword Granslayer" to be used for MODEROID Gladion.[4]

The series has now appeared in Bandai Namco Entertainment's long running Super Robot Wars series of games, starting with Super Robot Wars DD in 2023 as a limited event unit.[5]

Takara released several toys based on the mechas on the anime series during its run. Each toy has a special functionality to connect to the TV to replicate the "Plug-it" feature seen in the anime to play games. For the toy release of Gladion, the toy can link up with other Web Knight toys for it to power up, which affects the gameplay when connected.

For the anime's 20th anniversary, Good Smile Company announced that several of the mechs from the series will be added in the MODEROID line of plastic models, with Gladion and Dark Gladion released in December 2021[6] and Wyverion in March 2023.[7]