Character sheet for all of the Seihou Characters.
Debuted in Shuusou Gyoku
- All-Purpose Android
- VIVITnote
The main protagonist of the Seihou series, she's a "Maid-type combat robot" powered by Cactus Energy. Her master is Erich.
- The Cameo: Shows up in Samidare as the second extra boss. She is also playable in Touhou Soccer Moushuuden.
- Chuck Cunningham Syndrome: For some reason, she never appears in Banshiryuu, and is replaced with VIVIT-r
- Energy Weapon: Often uses these.
- Flying Broomstick: She flies on one.
- Green Rocks: She's powered by cactus energy.
- Jack of All Stats: She's described as a "balance-oriented type" in the manual for Kioh Gyoku.
- Meido: While she is an actual maid, she is dressed up like one because of Erich's'...interests.
- Replacement Goldfish: Serves as one, as she is modeled after Erich's daughter Vivit.
- Robot Maid: Duh.
- Star Power: Most of her danmaku.
- Milianote
A researcher for Erich's cactus company. She is first introduced as the Stage 1 Boss of Shuusou Gyoku.
- Berserk Button: Don't call her an old hag.
- Glass Cannon: In Kioh Gyoku, she has great speed and attack, but mediocre defense.
- Fastest Thing Alive: Often boasts about her speed.
- Fragile Speedster: In Kioh Gyoku. Also in Shuusou Gyoku VIVIT destroys her spaceship, and she has to build a new one from scratch.
- Shock and Awe: Uses a lot of electricity-based attacks.
- Vague Age: In Shuusou Gyoku she's 29. However, her profile in Kioh Gyoku says she's 26, but then she's in her 30's in Banshiryuu.
- Mei and Mainote
A pair of Child Soldier twins.
- Child Soldiers: They are five years old.
- Creepy Twins
- Dual Boss: They fight you on separate ships in Shuusou Gyoku.
- Empty Eyes: Their art in Shuusou Gyoku.
- Fragile Speedster: In Kioh Gyoku, they are very fast, but have the lowest defense.
- Girlish Pigtails: Mai has these.
- Single-Minded Twins: They are very well synchronized. They even match breaths!
- Gates note
The leader of Erich's private army. He shows up in every Seihou game, as well as Samidare.
- Amazon Chaser: He doesn't care about women for their looks. Instead, he admires the strong.
- Ambiguously Brown: Has a darker skin tone than the rest of the cast.
- The Cameo: He's the first extra boss in Samidare.
- Eyepatch of Power: Has one ever since the ending of Shuusou Gyoku.
- The Hyena: Does a hammy laugh after every battle in Kioh Gyoku.
- Jerk with a Heart of Gold: He's very stern, but many people describe him as an honorable person.
- Mighty Glacier: In Kioh Gyoku. He has amazing attack and defense, but mediocre speed and charge.
- Playing with Fire: Often uses a huge flamethrower in battle.
- Real Men Wear Pink: He loves the color pink, and loves penguins. ZUN even joked about his them being overly feminine.
- Running Gag: Three people (VIVIT, Marie, and C23 from Samidare) say something about "having the scent of Gates".
- Shout-Out: His name is a reference to Greg Gates from the manga Area 88.
- Marie note
A 19-year old lady, and a retired military legend.
- Child Soldiers: Not one right now, but she retired as a military legend at 19.
- Hitbox Dissonance: She has the largest spaceship in Kioh Gyoku, but the tiniest hitbox.
- Macross Missile Massacre: Often summons a bunch of missiles and little spaceships as part of her attacks.
- Mighty Glacier: In Kioh Gyoku. She has one of the highest defense and attack stats in the game, but has the absolute lowest movement and charge speeds..
- Obsessive Love Letter: Frequently sends these to VIVIT, even though she's clearly not interested.
- Sadist: Described as one.
- Shout-Out: Her name is a reference to the manga Jesus.
- Stalker with a Crush: Towards VIVIT. She loves to stalk her and beat her up.
- Unnecessarily Large Vessel: She has a HUGE spaceship in all of her appearances.
- Whip of Dominance: She has a whip in Banshiryuu, complementing her sadistic personality and giving her a domineering air.
- Erich note
- Badass in a Nice Suit: Wears a suit in every game.
- Cyborg: He had to become one after being involved in an accident while researching cactus energy.
- Difficult, but Awesome: In Kioh Gyoku. His curvy laser attacks are amazing for taking the bosses down, but they create a lot of bullets on the player's side. His low defense and short bomb don't help much.
- Dirty Old Man: According to the Omake, VIVIT's design is relevant to his interests.
- Glass Cannon: In Kioh Gyoku. He has amazing attack, and the best charge attacks in the game, but all of his other stats are mediocre.
- Humongous Mecha: Uses these as a spaceship from Kioh Gyoku on.
- Mission Control: Serves as this for VIVIT and VIVIT-r in Shuusou Gyoku and Banshiryuu, respectively.
- MegaCorp: Runs the Cactus Corporation, which is the largest energy and military company.
- Vivit-captured note
Erich's daughter, who the robot VIVIT was based on. She is the final boss of Shuusou Gyoku.
- Beat the Curse Out of Him: VIVIT has to fight her in order to calm her down and rescue her.
- The Cameo: She cameos in VIVIT's level 4 attack in Kioh Gyoku.
- Damsel in Distress: The plot of Shuusou Gyoku revolves around her rescue.
- Demoted to Extra: She had a major role in the first game, but was limited to a cameo in Kioh Gyoku, and wasn't even mentioned in Banshiryuu.
- Final Boss: Of Shuusou Gyoku. She has three phases.
- Nice Girl: VIVIT thinks she's a nice person.
- Sequential Boss: Her fight has three phases.
- Trapped in Another World: Was trapped in another dimension after the cactus energy research incident.
- With Great Power Comes Great Insanity: When she's trapped in the other dimension. She's very powerful, but her mental state is off.
Debuted in Kioh Gyoku
- Warrior Maiden
- Morgan note
A brilliant scientist, and the semi-final boss of Kioh Gyoku
- Action Bomb: Uses a lot of these.
- Brilliant, but Lazy: She's extremely intelligent, but hates doing hard work.
- Expy: Of Rikako Asakura.
- Fragile Speedster: She has the absolute fastest speed in Kioh Gyoku, but mediocre defense and a hard to use charge shot.
- Have I Mentioned I Am Heterosexual Today?: Says she's straight to Marie in Kioh Gyoku.
- Incompatible Orientation: Makes a joke about this in Kioh Gyoku with Marie.
- Nerd Glasses: A small pair.
- Rings of Death: Her EX attack in Kioh Gyoku, which are homing and can't be grazed. In Banshiryuu, she shoots a lot of these, but they can be easily destroyed.
- Stuff Blowing Up: Just look at her boss battle from Banshiryuu!
- Muse note
- Alchemy Is Magic: She's an alchemist, as well as a "Clan Leader" of alchemists who want to fuse magic and science.
- Badass Cape: Wears a cape in Banshiryuu.
- The Computer Is a Cheating Bastard: Notorious for this, unless you know how to exploit her AI.
- Creepy Child: Appears to Be This
- Expy: Inverted. Sakuya Izayoi is very similar to her.
- Final Boss: Of Kioh Gyoku
- Magic Versus Science: She wants to be a fusion of both.
- Marionette Mistress: She uses wooden puppets in battle.
- Mighty Glacier: In Kioh Gyoku she has terrible charge and movement speed, but the best attack and defense in the game.
- Older Than They Look: She is said to be very old, but looks like a child.
- Our Demons Are Different: She's some sort of devil-vampire-God hybrid.
Debuted in Basnhiryuu
- VIVIT-r
- Fighting Your Friend: Shows up as the Stage 4 boss if you play as Hirano.
- Flight: Unlike VIVIT, she can fly without a broom. However, she carries one in her boss fight, presumably for show.
- Jerkass: Described as much more ill-natured and twisted than the original VIVIT.
- Robot Maid: Just like her predecessor, but she's very unskilled.
- Suspiciously Similar Substitute: She is not the original VIVIT from the first two games, but one of the "commercial copies", powered by Red-Storm instead of cactus energy.
- Hirano Sakurasaki note
- Batman Can Breathe in Space: Flies through space without a spaceship or spacesuit. This is lampshaded by VIVIT-r during stage 5.
- Expy: A rather blatant one of Reimu.
- Fighting Your Friend: Shows up as the Stage 4 boss if you play as VIVIT-r.
- Flechette Storm: One of her shot types is a storm of arrows.
- Miko
- Our Gods Are Different: The god of her shrine, Gyoku is represented by a talking yin-yang orb, which she can also use as weapons.
- Paper Talisman: Shoots these everywhere in her boss fight and one of her bombs.
- Playing with Fire: One of her shot types is a tilting wave of fire.
- Tsundere: The manual says this, but she doesn't really show it.
- Yuuta Kirishima note
- Action Bomb: Uses Earth-Destruction Bombs that result in an instant game over when destroyed.
- Child Soldiers: He's young, and a soldier.
- Dual Boss: With Lagunas in Stage 5.
- Long-Lived: According to VIVIT-r, he will live for 100 more years.
- Macross Missile Massacre: Uses large amounts of homing missiles in battle.
- Playing with Fire: Uses a flamethrower. It's even the name of his battle theme.
- Promoted to Playable: In Ragnus X Docking.
- Tank Goodness: Uses a giant flying tank in battle.
Three soldier siblings. They are the Stage 3 bosses of Banshiryuu.
As a Whole
- Family Theme Naming: All of them have European names ending in "-lia".
- Teleporters and Transporters: They have a warp device, which is why the heroines fight them.
Tolia note
- Cowardly Lion: She's very powerful, but cowardly when fighting without her sisters.
- Nerd Glasses
Ilia note
- Cool Big Sis: Looks up to Morgan as one.
Felia note
- Child Soldiers: The youngest of the three soldier siblings.
- Companion Cube: Holds a little cactus doll.
- Seers: Supposedly, she can see the future. The manual says she's bluffing.
- Lagunas note
- Big Brother Instinct: Inverted. He's Yuitia's younger brother, but still extremely protective of her.
- Brother–Sister Incest: He has an attraction towards Yuitia.
- Combining Mecha: He's a fan of Gattai.
- Flunky Boss: Uses Yuuta in some parts of the battle.
- Shout-Out: His spaceship is called the "LEGO Batter Great!".
- Lolicon and Shotacon: He's described as having an attraction to young boys.
- Promoted to Playable: In Ragnus X Docking.
- Yuitia note
- Clothing Reflects Personality: Inverted. For some reason, her personality changes when she wears different clothes
- Cute Ghost Girl
- Demonic Possession: Somehow was fused with Red-Storm energy. This caused her to go on a rampage, causing every Red-Storm machine to go on a rampage, kicking off the plot.
- Final Boss: Of Banshiryuu.
- Our Ghosts Are Different: She's a phantom who is somehow able to fuse with an energy source.
- With Great Power Comes Great Insanity: Just like Vivit. She went on a rampage when fused with Red-Storm.
- Icarus note
- Badass Boast: "I'm the last boss! I'm strong!"
- BFS: Two giant swords!
- Breaking the Fourth Wall: Her aforementioned quote.
- Giant Space Flea from Nowhere: She shows up to fight, and disappears after being defeated. Nothing is known about her past that.
- Slipknot Ponytail: Her hair comes lose after she's defeated.
- Shout-Out: Named after the Icarus of Greek Mythology. However, she doesn't seem to have much in common with him besides the wings.
- Sword Beam: Uses her swords to create fire and lasers.