1. Alena | Arrowverse Wiki | FANDOM powered by Wikia
Description: Early life. After discovering Felicity Smoak's hack of the Department of Education, Alena was inspired to become a hacktivist, going under the alias "Kojo Sledgehammer".. Member of Helix. Alena joined a hacktivist group known as Helix.In late 2016, they hacked ECHELON, the NSA's information-gathering program, drawing from it 8 petabytes of data, referring to it as "Pandora".