The Power Rangers has been a morphenomenal success for decades, with various iterations releasing over the years. Nevertheless, the original Mighty Morphin Power Rangers is still the most definitive entry, with a legion of fans still seeing it as the iconic Power Rangers series. Conversely, this also made the show's side characters just as memorable, namely one plucky, lovable robot.
Source：https://www.cbr.com/who-is-alpha-power-rangers/
