Kamen Rider Dragon Knight / Kamen Rider Onyx
Names: Kit Taylor, Adam
Advent Beast: Dragreder the dragon (Dragranzer in Survive Mode), Dragblacker the dragon
Ryuki Counterpart: Kamen Rider Ryuki, Kamen Rider Ryuga
Tropes associated with Kit Taylor/Kamen Rider Dragon Knight/ Kamen Rider Onyx
Tropes associated with Adam/Kamen Rider Dragon Knight
Kamen Rider Wing Knight
Advent Beast: Black Wing the bat (Black Raider in Survive Mode)
Ryuki Counterpart: Kamen Rider KnightLast of the Ventaran Kamen Riders and Xaviax's number one target. Tries to keep everyone out of the Rider conflict for fear of someone getting hurt, but accepts Kit's help once he's gotten involved.
Tropes associated with Len/ Kamen Rider Wing Knight
Kamen Rider Incisor
Name: Richie Preston
Advent Beast: Volcancer the crab
Ryuki Counterpart: Kamen Rider ScissorsA wealthy preppie cut off from his family fortune and told to get a job, he's offered a million-dollar paycheck for each defeated Rider.
Tropes associated with Richie Preston/Kamen Rider Incisor
Kamen Rider Torque
Name: Drew Lansing
Advent Beast: Magnugiga the ox
Ryuki Counterpart: Kamen Rider ZoldaA scam artist and one of the few on Xaviax's side to be aware of his true plans, recruited to "convince a group of people to wage an all-out war". Tries to turn the various Riders against each other for his own benefit, with... mixed results.
Tropes associated with Drew Lansing/Kamen Rider Torque
Kamen Rider Camo
Name: Grant Staley
Advent Beast: Biogreeza the chameleon
Ryuki Counterpart: Kamen Rider VerdeBelieves he was hired by a private military contractor, and fights for the opportunity to become "the strongest man on two worlds". While specifically sent after Wing Knight, he tends to pick fights with the other Riders as well, not wanting them to steal his glory.
Tropes associated with Grant Staley/Kamen Rider Camo
Kamen Rider Strike
Name: James Trademore (possibly a fake name)
Advent Beast: Venosnaker the cobra (merged with Metalgelas and Evildiver into Cerebeast the chimera)
Ryuki Counterpart: Kamen Rider OhjaA wanted hacker well-known in paranormal blog circles as "JTC". Xaviax broke him out of jail, and he uses his new mirror-warping ability to get at any classified secret he wants. He's used his reputation to feed information to Maya and "help" along her own Kamen Rider investigation (and thereby manipulate Kit). As a Rider, he's Xaviax's right-hand man.
Tropes associated with James Trademore/Kamen Rider Strike
Kamen Rider Thrust
Name: Brad Barrett
Advent Beast: Metalgelas the rhino
Ryuki Counterpart: Kamen Rider GaiA motocross pro that Xaviax had framed and blacklisted for sabotaging another competitor; he is convinced that he must win in "Battle Club" in order to get the proof that will clear him. He's soon set straight, but that changes nothing - Xaviax is still blackmailing him.
Tropes associated with Brad Barrett/Kamen Rider Thrust
Kamen Rider Sting
Name: Chris Ramirez
Advent Beast: Evildiver the stingray
Ryuki Counterpart: Kamen Rider RaiaWas to be a fifth-generation US Marine until getting a medical discharge for advanced asthma. Still desiring to serve his country, he was recruited by a federal agent to help fight the alien invaders - unaware that he was actually fighting for the aliens. The Knights are able to correct him as to who the bad guys are, but unfortunately, asthma and Toku superheroics don't mix...
Tropes associated with Chris Ramirez/Kamen Rider Sting
Kamen Riders Axe and Spear
Names: Danny and Albert Cho
Advent Beasts: Destwilder the tiger and Gigazelle the gazelle, respectively
Ryuki Counterparts: Kamen Riders Tiger and ImpererTwo-bit crooks looking for a big score. Xaviax posed as a crime boss to recruit them for "the biggest heist in the history of Earth". After Albert gets vented, Danny becomes dead-set on avenging him.
Tropes associated with Danny and Albert Cho/Kamen Riders Axe and Spear
Kamen Rider Siren
Advent Beast: Blancwing the swan
Ryuki Counterpart: Kamen Rider FemmeTo the surprise of everyone, she's another survivor of Ventara. She's not happy with Kit's involvement at first, but she comes around (and Len wasn't much better at the start anyway).
Tropes associated with Kase/Kamen Rider Siren
Kamen Rider Wrath
Name: Vic Frasier
Advent Beast: Goldphoenix the phoenix
Ryuki Counterpart: Kamen Rider OdinA construction worker and one of Xaviax's kidnapping victims, and like the rest was drained of energy and put into a catatonic state. Xaviax can control his body to take part in the fight directly.
Tropes associated with Vic Fraiser/Kamen Rider Wrath
General XaviaxThe Big Bad. Is quietly abducting people one by one, until he can create a genetic database big enough to do mass kidnappings and enslave the human race. Something of a Master of Disguise; while he only has one human form, he's used it to pose as a lawyer, a mercenary, a federal agent, and so on. He's also transformed into Eubulon's human form and even duplicated his Kamen Rider armor, right down to the cards he uses.
Maya YoungAn Intrepid Reporter who writes for a paranormal blog. While investigating the rash of mysterious disappearances and the armored vigilante reports, she briefly is pulled through a mirror, allowing her to see Xaviax's monsters. She teams up with Kit to compare notes and figure out just what's going on. Much later, she temporarily takes Kase's place as Kamen Rider Siren, while Kase is stuck in the Void.
Trent MosleyMaya's coworker in the bookstore and the paranormal business. Might or might not have a crush on Maya, which might have contributed to his initial distrust of Kit and the Riders. After getting involved with the Riders, he's given a decision: join the MIBs or go to jail. He chooses the MIBs.
Lacey SheridanMaya's Valley Girlish and spunky best friend. At first tolerant of her friend's apparent conspiracy theories, she becomes increasingly frustrated and concerned as Maya and Trent delve into the Kamen Rider world. She eventually witnesses Riders in person, which unnerves her and leaves her open to manipulation by Michelle, but she ultimately sticks by her friends even though she's still uneasy with all the weirdness.
Michelle WalshOne of the senior reporters for the blog Maya works for. Generally bitchy and condescending to everyone, she often steals credit for stories and tries to undermine Maya when she won't play along. However, we eventually find that this is a cover, and she's actually a government agent for a top-secret paranormal division called the "No Men". After she successfully gets Maya's intel, the No Men start getting involved in the Rider war, ultimately becoming allies. And Michelle starts reining in her bitchiness, too.
Ryuki Counterpart: AlternativeThe Advent Master. The only one with the power to reassign Advent Decks and retrieve defeated Riders from the Advent Void (originally intended to be a safe zone for them, not a prison). Was originally Xaviax's top scientist, but had a Heel-Face Turn and developed the Riders for Ventara. When defeated in Ventara, he was accidentally sent to Earth instead of the Void. The government secretly kept him in stasis until he could be awakened.