Midori Zasso (雑草 緑, Zassō Midori) is a drug dealer who is the Weed Mutantrix user.
History[]
Zasso is obsessed with drugs as a teenager until now. She targeted teenagers as a drug dealer by killing them with drugs 5 years prior to the series, before being arrested by police and sentenced 10 years in jail. 5 years later, she escaped and need a help from a DNAlien named Epsilon to continue her mission, and he transforms her into Weedborg. Armed with her new powers, she egan her killing spree again. Among her victims are Shotaro's childhood friends. As Cyber Heatblast, Yuka defeats her and destroys the Weed Mutantrix with Yuka's pyrokinesis powers and hands Zasso to the police and Zasso is sent back to jail.
Powers[]

Weedborg.
“ | Weed! Mutant Up! | ” |
–Transformation announcement |
Weedborg's primary ability is chlorkinesis. She is able to generate and turn grasses into weeds and fill them with a deadly poison.
Weaknesses[]
As a plant like being, she is vulnerable to fire, such as that generated by a Pyronite.