For more than 30 years, the franchise that began with 1993's Mighty Morphin Power Rangers has enthralled fans with dozens of iterations of its iconic color-coded superhero team. Along the way, the franchise has also introduced just as many unforgettable villains, though not all of these monstrous foes have been what anyone would describe as menacing.
Source：https://www.cbr.com/dangerous-power-rangers-villains-in-comics/
