Batarax was a sonic bat monster used by Astronema. Batarax brought out sonic blasts from his ears and weakened the Astro Megazord with his new frequency. When the sonic blats stops when the frecuency is annulled, the Rangers took the opportunity to destroy him before he find another frequency.The Secret of the Locket Prior to his appearance, Batarax was seen on Onyx playing the guitar at the Onyx Tavern.Flashes of Darkonda Batarax later appeared at the Onyx Tavern during Trakeena's visit.Heir to the Throne