Season 12 (2004)

Played by: Lathan Gaines
Anton Mercer was on the verge of a scientific breakthrough during an experiment involving dinosaur DNA, when he was accidentally transformed into Mesogog, an evil mastermind with plans to revert the earth to the age of dinosaurs and turn the human race into reptilian creatures like himself.

Elsa (Doctor Randall)
Played by: Miriama Smith
Elsa is loyal and will do anything to please her master. She loves to insult and torment her enemies, including Zeltrax, and seemed to be romantically interested in TommyElsa is capable of projecting powerful streams of energy from her sword and possesses incredible martial arts techniques.

Played by: James Gaylyn
Terrance “Smitty” Smith was a partner of Tommy Oliver and Anton Mercer during the explosion of their lab where he was brutally damaged. Mesogog found his ruined body and rebuilt him with cybernetic technology into a black armored cyborg.  As Zeltrax, he is bent only on getting revenge on Tommy and holds him responsible for the recent tragic events in his life, including his near fatal accident.

Evil White Ranger Clone
Played by: Adam Gardiner
With the evil encoding removed from the White Dino Gem by Mesogog’s life-force extractor, Zeltrax used this energy in conjunction with a fallen monster’s copy ability (Copyotter) and the Geno-Randomizer to create the White Ranger clone, a soulless warrior with no trace of Trent. Curiously, though, he was a gracious warrior and complimented an opponent on his skill more than once.

A mixture of dinosaur DNA and technology, the Tyrannodrones were created as an experiment by Tommy and Anton, but are now used as Mesogog’s  foot soldiers.

When the Triptoids get sucked out of a video game, Zeltrax recruits them for Mesogog’s foot soldiers.

Replicant Zord
Mesogog creates the Replicant Zord, which is an evil version of the Thundersaurus Megazord

After being destroyed by the Black Ranger, Zeltrax plots his revenge, and creates the Zelzord

Thunder Storm

Played by: Grant McFarland
After escaping from the Abyss of Evil, Lothor allied himself with Mesogog. When his plans failed, Mesogog turned on Lothor, using his mind powers to shrink him down to the size of an action figure, and trapped him in a jar.

Played by: Peter Rowley
Zurgane guards the Samurai Amulet in the Abyss of Evil until Cam, Hunter, and Blake get a hold of it. He leads the troops out to the Abyss of Evil for Mesogog and Lothor.

Lothor’s Bodyguards
When Lothor returns from the Abyss of Evil, he brings with him these two warriors.