The Tyrannodrones are Mesogog's main footsoldiers and form the bulk of his forces. They are a mixture of dinosaur DNA and technology, and were created when an experiment of Tommy Oliver and Anton Mercer went wrong. Although numerous, they are not difficult for the rangers to defeat.
Triptoids were sucked out of one of Ethan's video games. Zeltrax recruited them to fight for Mesogog. They first appeared in Game On.
Most of these were created using the Geno-Randomizer, a machine that mutates DNA from plants and animals to create monster mutations. Mesogog made them grow with the Hydro-Regenerator, which would cause clouds to form above the monster and rain to fall.
Appeared in Back in Black. Polinator was sent with Elsa and Zeltrax to fight the rangers when they were attempting to invade Mesogog's Fortress. He could shoot energy blasts from his tentacles and teleport. He was destroyed by the Z-Rex Blaster and the Thundersaurus Megazord Cephalo Power Punch.
Appeared in Diva in Distress. Donkeyvac could drain the youth from people, and convert it into energy to be used by Mesogog. He was destroyed by the Z-Rex Blaster and then the Thundersaurus Megazord.
Appeared in Game On. Demagnetron sent Ethan, Kira Cassidy and Devin into a computer game. When they returned, the triptoids came with them. He was destroyed by the Z-Rex Blaster and then the Thundersaurus Megazord.
Appeared in Golden Boy. Dysotron appeared in giant size, attacking Reefside with electrical blasts. He transported the Thundersaurus Megazord to a snowy area, possibly the Artic. The rangers were able to return to Reefside, where they destroyed him with Fire Breath from the Tyranno Zord and the Dino Drill.
Appeared in Golden Boy. Goldenrod was accidentally created from Zeltrax's DNA, during an attempt by Zeltrax to make himself stronger. He refers to Zeltrax as his father. Zeltrax sent him to destroy Tommy Oliver, but he failed. After he grew, he defeated the Thundersaurus Megazord. Tommy Oliver destroyed him with the Brachio Staff.
Appeared in Beneath the Surface. Scorpex was created by Zeltrax to help the Dimetrozord destroy the Dino Zords. It's armour was very tough, and could only be pierced by the Dimetrozord's sawblade. It was destroyed by the Thundersaurus Megazord's Dimetro Saw Blade Attack.
Appeared in Ocean Alert. Megalador was sent to kidnap a famous actress |Nikki Valentina. His flower blasts caused Conner and Ethan to develop acne. He created a tidal wave to destroy Reefside, but the Thundersaurus Megazord, riding the Stega Surfboard, destroyed him.
Appeared in White Thunder pt. II. An anchor-shaped monster, armed with a cross-bow. He was destroyed by the Thundersaurus Megazord using the Parasaur Final Cut.
Appeared in White Thunder pt. III. Angor returned, stronger than before. He fought the Cephalazord, Dimetrozord, and Parasaurzord, but was finally destroyed by the White Ranger in the Dino Stegazord.
Appeared in 1Leader of the Whack. Rojobot was orginially timid and cowardly, happy to stand back and let the tyrannodrones fight. When a meteor reversed his personality he became aggressive. He used the maces on his arms and energy blasts from his eyes to attack the rangers, and was finally destroyed by the Thundersaurus Megazord Ankylo Drill and Dino Stegazord.
Appeared in Burning at Both Ends. Insectolite helped the White Ranger trick the other rangers into thinking he had turned good again. When it was revealed the White Ranger was still evil, the Black Ranger tried to use Insectolite's energy blasts to free the captured zords. The White Ranger used the Dino Stegazord to destroy him first, with the Cephala Power Punch and the Dimetro Saw Blade.
Appeared in The Missing Bone. Fossilador was created by Tommy Oliver and Anton Mercer, who abandoned him because he was out of control. Dr. Oliver kept the support bone for safe-keeping, and Fossilador used his mind-controlling skills on Kira, who stole it for him. Once revived, he could fire blasts of purple electricity. He was destroyed when the Thundersaurus Megazord aimed the Dino Drill at his support bone.
Appeared in Bully for Ethan. Termitron is sent to Reefside High to deliver a message from Zeltrax to Tommy Oliver. Termitron battled the Blue and Yellow Rangers at the school. It was destroyed by the Thundersaurus Megazord.
Appeared in Lost & Found in Translation. A monster from a Japanese TV show based on the adventures of the Power Rangers. He hit peope with mushrooms that would grow into magic wigs, making them greedy for money. Ka-Ching could also fire giant coins to attack the rangers. He was destroyed by the Power Rangers on the TV show.
Appeared in It's a Mad Mad Mackerel. Elsa kidnaps Marty the Mackerel and turns him into a monster. He uses a fishing rod to capture civilians. The rangers stop him using the Z-Rex Blaster, then destroy him with the Thundersaurus Megazord's Ankylo Drill and Parasaur Final Cut.
Appeared in Copy That. Copyotter could copy anything, includng the rangers' weapons and Kira's voice. He also made clones of Cassidy. It could throw explosive sea shells and peppers like bombs. It was created by Zeltrax to copy the Drago Sword and frame the White Ranger for destroying Mesogog's lab. The White Ranger turned good again and destroyed Copyotter in Super Dino Mode. It was destroyed again by the Thundersaurus Megazord Ankylo Drill. Zeltrax used its weapon to create an evil clone of the White Ranger.