Queen Hedrian is the leader of the Vader Clan and the main antagonist of Denshi Sentai Denziman. She later reappears as a major antagonist in Taiyou Sentai Sun Vulcan, being revived as a member of Machine Empire Black Magma.
Queen Hedrian hates beauty and wants to pollute the world, finding happiness in the suffering of humans. Despite this, she cares deeply about her servants.
Denshi Sentai Denziman
In the past, Queen Hedrian and the Vader Clan attacked Denzi Star and devastated the planet. The Vader Clan later turned their attention to Earth, however, a survivor from the planet Denzi, Denzi Dog IC, sought out five descendants of the Denzi people to become the Denziman and fight against the Vader Clan.
She later recruited Demon King Banriki into the Vader Clan, but eventually wound up getting overthrown by him. After Banriki was defeated by the Denziman, they went to confront Hedrian in her throne room. Before they could do anything to attack her, Hedrian vanished shortly and set her base to self destruct.
Taiyo Sentai Sun Vulcan
Hedrian was found frozen at the North Pole by Machine Empire Black Magma and revived as a cyborg to assist them in their efforts. Hedrian was equipped with a new mechanical heart that Fuhrer Hell Saturn was able to shut down her mechanical heart should she betray them.
Hedrian later set up a fight between Hell Saturn and Inazuma Ginga which resulted in Hell Saturn being destroyed, allowed Hedrian to seize leadership of Black Magma. However, Hell Saturn returned as a ghost and shut down her mechanical heart as revenge for her role in his death.
- Machiko Soga would later play Witch Bandora in Zyuranger and Heavenly Arch Saint Magiel in Magiranger.
- Hedrian is the only showa Sentai villain to appear in two seasons.
- Although Marvel Comics did not have as direct an influence on Denziman as they did on previous season Battle Fever J, they did have an influence in Queen Hedrian, with her color schemes and design based on Hela, a foe of the Marvel hero Thor.