His widow, former agent of the government superhuman-monitoring agency, F.L.A.G., posing as a now-retired investigative reporter Maddie Warner, gathered five of these children in order to form a team to protect Tower City in Captain Dynamo's absence.

[3] During the series' first year of publication in 2007, Hector and the other members of Dynamo 5 were shown confronting various threats to Tower City, as well as the U.S. government's superhuman-monitoring agency, F.L.A.G., which disapproved of their activities,[5] while dealing with the personal conflicts that arose as a result of discovering four new half-siblings, as well as the effect that their new lives had on their personal lives at home.

[7][8] He also came into conflict with Jennifer when she discovered his superhero life, much to her horror,[9] and who was outraged at the danger in which Maddie Warner had placed her son.

[11] In the 2010 miniseries Dynamo 5: Sins of the Father, the team faced off against the three extraterrestrial sons of Dominex, who threatened the entire planet Earth.

[14] As the superhero Visionary, Hector Chang had abilities related to his eyesight, which included laser, telescopic and x-ray vision.

[3] She could also shrug off automatic weapons fire,[18] and on one occasion, fell off a skyscraper, was smashed through the street below, and endured further kicks to the abdomen by the superhumanly strong villain Synergy, without more than a moment's incapacitation.

[19] On the other hand, electricity of a sufficient power level could temporarily stun her,[20] and a direct punch from the supervillain Brawn was able to knock her into unconsciousness or semi-consciousness for several moments.