This enabled him to be the head researcher at the anti-gravity lab (Primrose).
Gravity Antonion - His AI intelligence systems were given an immense boost at the time of his creation.
When his data turned Maverick, he took control of the area until he was stopped by the Maverick Hunters.
Earthrock Trilobyte - was a technological worker in charge of overseeing the crucial duty of mining Rare Metals needed for outer-space development.
His accent was a Texan cowboy drawl, deep and measured, which fit his look and personality. After turning Maverick, he seized control of the defense mechanisms in the base, making travel in the area for Maverick Hunters very difficult. His abilities allowed him to function in complete darkness.
Dark Mantis - in charge of security at an underground army logistics base (known as Pitch Black).
He accuses the Hunters of being no better than the Mavericks they had destroyed, saying "Is this your idea of justice?! Killing those who don't follow your ideals?! It's you who are wrong!" However, he soon became sick of it, and his anger allowed the Sigma Virus in his new-generation chip to take hold. Working in the Industrial Waste Facility in a volcano, he utilized the natural heat to burn waste.
Burn Rooster - was a reploid that thrived in hot conditions, being extremely resistant to heat.
He'll also in Overdrive Mode sends out a rapid barrage of missiles, some coming from above. But in Overdrive, he will try to lunge at the player, and this is instant death if it connects. His main attacks consist of his Green Spinner missiles, and occasional drills from the ground.
Bamboo Pandamonium - He and some of his Mavericks are after the rocket center in Booster Forest.
Yeti spoke with a deep Russian accent and when confronted by Zero, Yeti tells him, "If you will not see our point of view, at least let us be." This indicates he didn't wish for conflict. Eventually, Avalanche Yeti went Maverick due to his copy chip embedded with Sigma's data. Settling into the position, he became troubled by the ever-worsening environment.
Avalanche Yeti - Known as the "Guardian of the Eternally Frozen Fields", Avalanche Yeti was placed in charge of managing the South Pole Environment Center (Central White) despite his inexperience.
Bulbrite ( Q in Japan) - a small flying Mechaniloid enemy commonly encountered in the game which bonds or attaches itself to others of its kind to become a greater threat.