The Evilution Empire, also known as the Jashinka Empire, is an underground race of humans whose social rank is determined by the number of tails they possess. Those with more tails hold greater status, authority, and power within the empire.

Driven by conquest and evolutionary ambition, the empire launches its attack against the surface world while seeking ways to increase its own power, including the pursuit of Dr. Yumeno's Retro Gene.

The nine-tailed ruler of the Evilution Empire. Emperor Aton dreams of attaining ten tails, the ultimate symbol of status and power among his people.

Aton commands the empire from the top of its rigid hierarchy, directing its scientists, generals, and monsters in the war against Dynaman. He is eventually defeated by the Dark Knight during the empire's internal collapse.

Originally a five-tailed prince of the Evilution Empire, Megiddo loses one of his tails during a confrontation with Dyna Red. This disgrace damages his standing within the empire and eventually leads to his imprisonment as a failure.

Megiddo later reemerges as the masked Dark Knight, a mysterious swordsman who challenges both Dynaman and the Evilution Empire. As Dark Knight, he becomes a master of the Dance of Darkness sword technique.

He ultimately reveals his true identity, defeats Emperor Aton, and succeeds him as Emperor Megiddo, turning the empire's internal power struggle into one of the final threats faced by Dynaman.

A four-tailed princess of the Evilution Empire and Megiddo's cousin. Princess Chimera is a powerful witch who serves as one of the empire's most active commanders from Episode 8 through the final battle.

Cunning, proud, and fiercely loyal to Megiddo, she remains a major threat throughout the middle and late stages of the war against Dynaman.
Episodes 8-50

A seven-tailed general awakened from the Millennium Cave in Episode 37. After her return, Zenobia quickly rises in the empire's hierarchy and takes Megiddo's former place as one of its most dangerous leaders.

Ambitious and ruthless, she later attempts to use Dr. Yumeno's Retro Gene to gain ten tails. The attempt fails, leading to her death and further destabilizing the Evilution Empire.
Episodes 37-50

A seven-tailed general known as the "God of War." General Kar is the empire's lead scientist and one of its key military minds.

He develops stronger monsters and escalates the war against Dynaman, including the creation of more powerful Mechavolution threats that force the team to rely on upgraded attacks such as New Super Dynamite.

Megiddo's personal bodyguards during the early phase of the series. Though they resemble common Tail Soldiers, they are distinguished by their specific clothing and berets.

They serve as Megiddo's direct attendants and enforcers during his initial campaigns against Dynaman.
Episodes 1-8

The one-tailed foot soldiers of the Evilution Empire. Tail Soldiers have lizard-like appearances, red eyes, and green and black skin.

As the lowest-ranking members of the empire, they are deployed in large numbers to support monsters, attack civilians, guard facilities, and overwhelm Dynaman through mass assaults.

The mobile fortress of the Evilution Empire. Resembling a giant flying fish, Grangizmo serves as the empire's main base, command center, and battlefield platform.

The final conflict reaches its climax aboard Grangizmo, where Megiddo and Chimera meet their end when the fortress explodes.