This is a list of characters from the 2000 anime series Transformers: Robots in Disguise. The series focuses on two warring species of transforming robots from the planet Cybertron, the Autobots and Predacons.
Autobots
The Autobots are alien robots from the planet Cybertron who came to Earth to pursue the Predacons and assume various vehicular disguises while operating on the planet.
Commanders
Omega Prime, or "God Fire Convoy" in Japan, is the combiner forced fusion of Optimus Prime and Ultra Magnus as Matrix. In battle, he can flying and uses the Ultra Magnus's weapon of Lazer and Galting on shoulders to shooting the enemies. Later, Fortress Maximus giving the Matrix Blade to defeat the Galvatron. Omega Prime is voiced by Daniel Riordan (U.S.) and by Satoshi Hashimoto (Japan). Optimus Prime, or "(Super) Fire Convoy" in Japan, is the leader of the Autobots who possesses a Matrix to symbolize his authority, transforms into a fire truck, and can assume a super mode. Later in the series, he gains the ability to combine with his brother Ultra Magnus to become Omega Prime. Optimus Prime is voiced by Neil Kaplan (U.S.) and by Satoshi Hashimoto (Japan). Ultra Magnus, or "God Magnus" in Japan, is Optimus Prime's embittered and violent brother who transforms into a car carrier truck and became jealous of the latter after being passed over for leadership of the Autobots and now seeks to claim Optimus' Matrix for his own, believing it is rightfully his. In pursuit of this goal, Ultra Magnus comes to Earth, grants the Autobot Brothers extra power, and attempts to steal Optimus' Matrix, only to gain the ability to combine with him into Omega Prime.Ultra Magnus is voiced by Kim Strauss (U.S.) and by Takashi Matsuyama (Japan).
Autobot Brothers
Autobot Brothers are three-man of Autobots, who both transform into the vehicle cars mode, Later giving by Ultra Magnus the Super changing color mode. X-Brawn, or "Wildride" in Japan, is eldest and most reliable of the three Autobot Brothers who can transform into a SUV. He loves extremes, lives for the thrill, can handle any type of environment, and traverse tough terrains. In battle, he is a master in martial arts, possesses super-strength in his left arm, and a winch in his vehicle mode capable of pulling him up buildings. X-Brawn is voiced by Bob Joles (U.S.) and by Masahiro Shibahara (Japan). Prowl, or "Mach Alert" in Japan, is the strict middle sibling of the Autobot Brothers who can transform into a Lamborghini Diablo police highway pursuit vehicle. In battle, he wields two missile launchers which become thrusters in his vehicle mode.Prowl is voiced by Wayne C. Lewis (U.S.) and by Takayuki Kondo (Japan). Side Burn, or "Speedbreaker" in Japan, is the courageous yet impulsive youngest sibling of the Autobot Brothers who can transform into a Dodge Viper and possesses the most speed out of his brothers. Side Burn is voiced by Wally Wingert (U.S.) and by Punch UFO (Japan).
Team Bullet Train
Team Bullet Train is a three-man team of Autobots who all transform into the engines of their team's namesake and can link up in their vehicle modes and combine in their robot modes to form Rail Racer ("JRX" in Japan) [voiced by David Lodge (U.S.) and Shōji Izumi (Japan)]. Railspike, or "J5" in Japan, is the courageous, intelligent, and grizzled leader of Team Bullet Train who can transform into a 500 Series Shinkansen Nozomi bullet train engine. He serves as a peacekeeper when his teammates get out of hand and, despite his age, is skilled and efficient in combat. In battle, he possesses shoulder-mounted rocket launchers, generate ultrasonic waves, and fire "Reflector Mines". Railspike is voiced by Mike Reynolds (U.S.) and by Shōji Izumi (Japan). Rapid Run, or "J7" in Japan, is an eager, sarcastic, and cool-headed member of Team Bullet Train who transforms into a 700 Series Shinkansen Hikari Rail Star bullet train engine. In battle, he possesses the most strength, can generate a force-field, and wields a rifle and shield. Rapid Run is voiced by Keith Diamond (U.S.) and by Eiji Takemoto (Japan). Midnight Express, or "J4" in Japan, is the youngest member of Team Bullet Train who can transform into an E4 Series Shinkansen engine. He is known for being cheerful and friendly around friends and harsh with enemies. In battle, he possesses incredible strength, can endure cold weather, fire high temperature missiles, and generate solid light blades from his shoulders. Midnight Express is voiced by David Lodge (U.S.) and by Naomi Matamura (Japan).