Vanessa Jansen

Vanessa Jansen, also known as Block, is a female Metahuman arms dealer.

The Flash: Season 5
Vanessa Jansen was accompanying Amunet Black when she attacked the CCPD transport carrying Gridlock and got them out. When Team Flash intervened she did not participate in the fighting but did accompany Amunet Black and Gridlock into the plane wherefrom Amunet wanted to heist from. She used her Metahuman powers to transform the guards into two homps of flesh, essentially killing them. When Team Flash breached into the plane, after a short fight they were knocked out cold and the plane crashlanded thanks to the efforts of Team Flash. Block and Amunet Black were able to escape CCPD capture with the target of their heist, an encased Metahuman.