Sentai Villain Categories

Each villain group in Super Sentai have been issued a theme (主題) which correlates to each unique story of their respective Super Sentai shows such as:
 * Criminals
 * Demons
 * Dimensional Beings
 * Mechanical
 * Mutants
 * Space Aliens
 * Supernatural/Earthbound Tribes

Criminals
The Criminal (犯罪者) villain groups are human criminals with unique abilities or superpowers which belong to crime syndicates.
 * Criminal Organization Crime

Demons
The Demon (悪魔) villain groups are demonic beings with supernatural powers and abilities.
 * Hundred Boma Tribes
 * Youkai Army Corps
 * Psyma Family
 * Demon Tribe Org
 * Underground Hades Empire Infershia
 * Ashu Tribe -> Questers
 * Gedoshu
 * Kibaoni Army Corps

Dimensional Beings
The Dimensional Being (次元生物) villain groups are monsters from an alternate/parallel world or dimension sent to conquer or destroy the Earth.
 * Vader Clan
 * Dimensional War Pary Vyram
 * Neziregia
 * Invasion Garden Evolian
 * Evil Army Shadow Line
 * Interdimensional Crime Gorup Gangler

Mechanical
The Mechanical (機械) villain groups are machines of every kind with sentience with a will to conquer planets for machine kind.
 * Neo Empire Gear
 * Machine Empire Baranoia
 * Barbaric Machine Clan Gaiark
 * Machine Onslaught Empire Matrintis
 * Vaglass

Mutants
The Mutant (変異体) villain groups are human villains created or cursed into becoming monstrous beings who create monsters by mixing different mechanical features and/or organic DNA.
 * Machine Empire Black Magma
 * Armed Brain Army Volt
 * Jaryuu Clan

Space Aliens
The Space Alien (宇宙人) villain groups are intergalactic beings from other planets and universes hellbent on conquering the entire galaxy.
 * Great Star League Gozma
 * Reconstructive Experiment Empire Mess
 * Galactic Imperial Army Zone
 * Space Bosozoku Bowzock
 * Space Pirates Balban
 * Londerz Family
 * Space Ninja Group Jakanja
 * Space Criminals Alienizer
 * Universal Annihilation Army Warstar
 * Space Empire Zangyack
 * Deboth Army
 * Deathgalien
 * Space Shogunate Jark Matter
 * Space Crime Syndicate Makuu

Supernatural/Earthbound
The Supernatural (超自然)/Earthbound (地縛) villain groups are supernatural themed villains from a result of an occult, supernatural phenomena, unnatural causes and/or black magic influence.
 * Black Cross Army
 * Secret Society Egos
 * Dark Science Empire Deathdark
 * Tailed-People Clan Jashinka Empire
 * Underground Empire Tube
 * Bandora Gang
 * Gorma Tribe
 * Gordom Civilization
 * Dark Shadow
 * Confrontation Beast-Fist Akugata
 * Earth Condemnation Group Yuumajuu
 * Warfare Tribe Druidon