Doctor Mazenda

Doctor Mazenda is a member of Armed Brain Army Volt and a major antagonist in Chojuu Sentai Liveman, as well as the rival of Megumi Misaki / Blue Dolphin of the Liveman.

History
As a member of the Science Academia, Rui Senda competed with Megumi Misaki and was the girlfriend of Yuusuke Amamiya, before leaving him to pursue a greater tutilage under Professor Bias alongside Kenji Tsukigata and Gou Omura. She later reconstructed herself as a cyborg to preserve her beauty, though subconsciously she regretted discarding her kindness.

While initially loyal to Bias, she later begins to doubt him after the "Miku" incident. Though she learned the truth about Bias' goals from Gou, she listens to Bias when tells her not believe him.

Arriving on Earth personally to confront the Liveman and achieves an IQ of 1,000. Gash soon arrives but, in an act of defiance, Mazenda converts herself into a robot to prevent Bias from being able to use her brain. Angered, Bias fires the Zuno Base's lasers at her. She tells Gou she is beyond redemption before falling over a cliff and having her self-destruct destroy her.