Metallo (National City University)

For other uses of "Metallo", see Metallo (disambiguation).

An Unnamed Man named '' Second Mettalo" by Kara was one of the six subject for the "Mettalo Procedure"

Biography
When Supergirl, Lena Luthor and Alex Danvers break into Eve Teschmacher's secret lab in the National City University the man tried to kill the intruders but got killed by Alex when she shot a bottle of chemical trowed by Lena making him explode. Later his Kryptonite heart was locked in a box by the D.E.O. giving them info about multiple Mettalo.