Power Rangers/Super Sentai Villain Comparison: Operation Overdrive / Boukenger

Just like the good guy character comparisons, I will be doing Jungle Fury/Gekiranger sometime later.

Flurious / Gaja
Gaja was this priest of an ancient society that lorded around the show, as the show was about different villain sects. So he would make treaties and be betrayed by them. He worked with dark magic and conjured many things. He memorized a code and made these gyro-like devices that were used by the majority of the foes. The outfit was basically un-loved by the PR crew, so they made their own new villain called Flurious. He and his brother were turned into hot and cold. He had a poor dim-witted yeti do his dirty business and basically sat around. He became the final form Gaja became and was destroyed, while Gaja reverted to his regular form and went to sleep.

Moltor / Ryuuwon
Ryuuwon was conceiving and scheming, he considered himself higher than humans. He once was a human adventurer who sought immortality and got it, with a price. His helmet let him revive himself after being defeated. Ryuuwon ultimately became a man again and died in an explosion of a building in a vain attempt to become his old form again. Ryuuwon was a sign of what could become of Akashi (Red) if he was a selfish adventurer. Moltor on the other hand had a inferiority complex because of his brother and was killed by his brother.

Kamdor / Yami No Yaiba
Yaiba was a cruel ninja warrior, he killed people in front of Masumi (Black) as a child. He was grooming Masumi to be evil like him, but Masumi ultimately chose the side of light. Yaiba worked for Dark Shadow but defected from them. He was destroyed by Masumi. Kamdor was the source of all the power (making monsters and growing them) instead of Gekkou, an owl that was kicked out of the series. He was locked in a necklace, released, he betrayed his pupil Miratrix and was ultimately destroyed by the Black Ranger. Kamdor was a bit toned down next to Yaiba.

Miratrix / Kaze No Shizuka
Shizuka was a child-like perky fun-loving convening and mistress of disguise ninja chick. Shouta (Blue) would flirt with her, she ended up encouraging him at the end of the series. Her outfit or attitude was probably not considered appropriate, so they made a whole new outfit for Miratrix. Like Elsa, Miratrix's outfit was boring and uninspired. Miratrix tricked the Blue Ranger into loving her and then ended up following Kamdor until she was betrayed and became an owl-monster (from footage of Gekkou). Shizuka briefly became a strong form, that was seen in PR but not given a name. Shizuka came back from it, and had a friendly relationship with the Boukenger until the teamup Gekiranger vs. Boukenger.

Mig / Gai
Gai is one of the Ashu Clan, ancient demons, while Mig is a Fearcat, aliens. Mig/Gai were upgraded by Flurious/Gaja. Gai became a Quester, along with Rei. Both were conniving and treacherous. Both were destroyed by Mercury Ranger/BoukenSilver. Mig was more of the head of the operation. Gai killed Silver's father.

Benglo / Rei
Gai is one of the Ashu Clan, ancient demons, while Rei is a Fearcat, aliens. Benglo/Rei were upgraded by Flurious/Gaja. Rei became a Quester, along with Gai. Rei was more of the head of the operation, he was knowledgeable and smart with when to divulge such information. He is tactical and quick to get out of situation. Benglo was kinda smart. Belngo was destroyed by Red Sentinel Ranger and Rei was killed by BoukenSilver.

Cheetar / Hyouga
Hyouga/Cheetar were both loyal followers who were sacrificed so the other two (Ashu/Fearcats) could survive.

Crazar / Ouga
Ouga was male, while Crazar was for some reason turned into a woman. Ouga was a Western Ashu, who was friends with BoukenSilver's mother and was bent on killing him to let her soul escape purgatory. He turned Silver into stone and took him to purgatory and pretended to be his mother. Silver ultimately found this out and killed him. Crazar on the other hand boasted that she killed Mercury Ranger's fiance and pretended to be her to keep him away. Mercury destroyed Crazar and ultimately got his fiance back, because she could only imitate people who were alive.