Ryūsuke Ōwashi / Vul Eagle I
- The Leader & The Kirk: Up until #23.
- Playing with Fire: Eagle Fire
- Put on a Bus: In #23, he is transferred over to NASA to work on a space colony project.
Takayuki Hiba / Vul Eagle II
- Katanas Are Just Better
- Law of Chromatic Superiority: He uses his own sword in battle, making him the only Sun Vulcan with a Weapon of Choice.
- The Leader & The Kirk: Starting with #23.
- Master Swordsman
- Playing with Fire: Same as his predecessor.
Kin'ya Samejima / Vul Shark
- Cynicism Catalyst: He was motivated to join the team by the deaths of his parents and younger brother in a war in Africa, which made him want to protect world peace.
- The Lancer
- Making a Splash: Shark Washer
- The Spock
Asao Hyō / Vul Panther
- Big Eater
- The Big Guy
- Dishing Out Dirt: Panther Galaxy
- Kid-Appeal Character
- The McCoy
- Why Did It Have to Be Snakes?: Can't stand dogs.
Führer Hell Saturn
- Back from the Dead: After being killed by Inazuma Ginga, he returns as a ghost to exact his revenge on those involved with his death.
- Big Bad: He's the one who leads and directs Black Magma. He gets Demoted to Dragon towards the end, though.
- Dark Is Evil: His color scheme is primarily black and yes, he is the Big Bad.
- Darth Vader Clone: His appearance bears more than a passing resemblance to Darth Vader. He has a Cool Helmet, a black color scheme and is revealed to be working for someone else.
- Demoted to Dragon: In the last few episodes, where he's revealed to be The Dragon to the Omnipotent God.
- Gratuitous Nazis: His leadership title is "Führer" despite him not having any apparent connection to Those Wacky Nazis,
- Names to Run Away from Really Fast: FUHRER HELL SATURN. Sounds inviting, doesn't it?
- Orcus on His Throne: Never actually does any physical work himself and leaves most of that to his minions. The one time he gets up to fight somebody is when Inazuma Ginga challenges him to a duel.
- Sinister Minister: Resembles an evil version of The Pope, likely due to acting as a spiritual leader within Black Magma's Religion of Evil.
- The Only Male: Hell Saturn is the only visible male executive of Black Magma, at least until Inazuma Ginga shows up.
- Afro Asskicker: Has a metal afro as part of her cyborg transformation.
- An Offer You Can't Refuse: Hell Saturn allows her to join Black Magma, with the alternative being Hell Saturn invoking cardiac arrest on her by shutting down her mechanical heart.
- Cyborg: Remodeled into a cyborg when she is drafted into Black Magma.
- Demoted to Dragon: After serving as the Big Bad of the previous season, she returns here as The Dragon to Hell Saturn.
- Ex-Big Bad: Was the Big Bad of Denziman but now she's working under someone else.
- Orcus on His Throne: Hedrian is pretty lazy for a Dragon - in twelve episodes, the two times she does anything are out of selfish greed.
- Sealed Evil in a Can: When Black Magma finds her her body is frozen and she has to be thawed out.
- The Starscream: Secretely plots to usurp control of Black Magma from Hell Saturn. She briefly succeeds for about two episodes until Hell Saturn comes back as a ghost and kills her in revenge.
- Better to Die than Be Killed: Commits suicide after losing her duel against Sun Vulcan.
- The Brute: She's the one usually sent in to fight off the heroes.
- Dragon Ascendant: Becomes the nominal leader of Black Magma after both Hell Saturn and Queen Hedrian are knocked off. She's still subservient to the Omnipotent God though.
- Knife Nut: Her primary weapon is a knife.
- Lady of War: Acts as Black Magma's main female enforcer.
- Suspiciously Similar Substitute: Essentially fills the same role Zero-One did.
- Villain's Dying Grace: Before dying, she gives Sun Vulcan the location of the Omnipotent God.
- Amazon Brigade: Black Magma's female assassin force.
- The Dragon: Zero-One, the leader of the Zero Girls, to Fuhrer Hell Saturn, though she cedes the position to Queen Hedrian once she shows up.
- Dwindling Party: Zero-One dies halfway through in a duel with Vul Eagle and the rest get killed in the finale while piloting a Humongous Mecha against Sun Vulcan Robo.
- You Are Number 6: They are all numbered 01 through 04.
- "Awesome McCool" Name: His name translates to "Lighning Galaxy" in English.
- Clipped-Wing Angel: After being turned into Lightning Monger, he's a much easier opponent than he was as Inazuma Ginga.
- Sixth Ranger: For Black Magma.
- Space Pirate: Stated be one, as well as on the run from the Space Police.
- Unwitting Pawn: Winds up being used by Queen Hedrian to kill off Hell Saturn, allowing her to seize power.
- The Starscream: Turns against Hell Saturn
- Wild Card: Queen Hedrian and Amazon Killer consider him to be one, given how he and Amazon Killer betrayed each other in the past to claim each other's treasures.
The Omnipotent God
- A God Am I: Refers to itself as a god and is worshipped as one in the Black Magma religion.
- Big Bad: Once it emerges from hiding, it takes this role from Hell Saturn.
- Brain in a Jar: Appears as nothing more than a brain in a clear capsule connected to tubes.
- God of Evil: The god of the Black Magma cult.
- Greater-Scope Villain: Though it is the true leader of Black Magma, it leaves Hell Saturn to run the organization
- The Man Behind the Man: Hell Saturn was receiving orders from it all along.
- Squishy Wizard: For all its Psychic Powers, all it takes is one hit from Chief Arashiyama for it to be destroyed.
- Walking Spoiler: On account of being The Man Behind the Man to Hell Saturn.