Hikari Sentai Maskman (Light Squadron Maskman) is the eleventh Super Sentai series, running from 1987 to 1988.
Commander Sugata, a master of the mysterious Aura Power, assembles a team of five martial artists and instructs them in the use of their inner Aura to offset the menace of Tube, a once peaceful empire now ruled by the evil Emperor Zeba, who seeks to extend his reign to the surface world. Red Mask Takeru's girlfriend Mio is in fact Iyal, Princess of Tube, who is sentenced to sleep forever in an ice coffin for falling in love with a surface dweller. Maskman fights for peace both on and beneath the earth.
The Members are:
.Takeru / Red Mask:
The Hero and trained in Karate. He is a racecar driver.
.Kenta / Black Mask:
The Number 2 and Smart Guy. Trained in Kobudo. He worked as a mechanic.
.Akira / Blue Mask:
Youngest member, trained in Chinese Kempo and broadsword.
.Haruka / Yellow Mask:
Action Girl and Big Guy. trained in Ninjutsu making her the strongest fighter of the team. She was forced by her father to keep away from girly things
.Momoko / Pink Mask:
The Load. trained in Tai Chi Chuan. She is the Lady of War.
The Main Villians are The Underground Empire Tube who are described as a peaceful underground empire that came into being five millennia ago under the rule of the Igam family. Once it comes under the rule of the usurper Zeba, Tube begins preparing for war on the surface. They are based at the Underground Castle until Zeba has it destroyed.
the Members are:
.Underground Emperor Zeba: The Big Bad and a Complete Monster. He is Tube's dictator who has absolutely no compunction about destroying or punishing his subordinates. His monstrosity is finally revealed in the final episodes where it turns out that he is actually the spawn of Rizal Doggler, a malignant creature who tried to usurped the throne and was defeated by the original Tube royal family. After which he ate his dying father in order to become stronger. Driven by a seething hatred against humans from both sides of the crust, it proceeds to destroy the rest of the original family save Ial and Igam, taking over as emperor and corrupting the peaceful Tube into becoming a militaristic Ruined World using enslaved underground humans in an attempt to reach the surface world and extend its malicious grip.
.Igam, Prince of the Underground Empire and second only to Zeba. Iyal's twin sibling, who is actually a woman
.Baraba, Commander of the Underground Empire. A skilled swordsman from the Baruga Clan.
.Anagamas, Evil Genius, through the use of Tube's lore, magic-using and The Plan.
.Fu-Min: a female ninja from the Fu Clan who serves Igam.
.Oya-Bu: a ninja from the Buyon Clan and Worthy Opponent.
.Kiros: an antagonistic Thief Knight who joins the rest of Tube. He vies against Takeru for Iyal's love.
.Okelampa: An Energy Beast. A burrowing critter whose only purpose is to bring the monsters up to size.