[1] Following the assassination of Captain Dynamo, the much-beloved superhero protector of Tower City, his widow, former government agent posing as a now-retired investigative reporter Maddie Warner, discovered from his personal effects that he had been unfaithful to her countless times.

Despite her devastation at this discovery, Warner realized that without a full-time protector, Tower City would be vulnerable to Captain Dynamo's legion of supervillain enemies.

Reinhart is a 17-year-old Eastbridge, Texas high school football star who led his division in tackles for the entire season, and is the darling of both his female schoolmates and college scouts.

[2] Reinhart was subsequently crucial to the team's victories against Voltage,[4] and a thief using the Winterbourne Institute's strength-amplifying Strong-Suit.

His inability to fully control his telepathy, his tendency to pick up the thoughts of others that he finds hurtful, and the manner in which new aspects of it may suddenly evolve unexpectedly, have been a source of irritation to him, often causing him to long for a more empowering ability like his sister Olivia's flight.

[4][6][7] The difficulty in finding time for both his high school career and his superheroics leads to some sleeplessness, and tension between him and Maddie Warner.

Whereas his sister Olivia wore a wingsuit-type outfit to aid her maneuverability, Gage's natural aptitude at maneuvering makes this unnecessary.

However, his ability to effect sudden stops and land properly is far inferior to hers, and thus he wears an armored suit that not only protects him from impact, but enables him to act as a human battering ram, from which his current codename is derived.

He could also use his telepathy to remotely track people whose minds he has read, by sifting through the brainwave patterns he could sense, which are apparently unique to each individual.

Brains claimed that the location was "her space" and "her private place", and engaged Reinhart in what was depicted as a physical altercation between their astral forms, but when Reinhart responded in kind, he inadvertently transported them to a featureless white location that he speculated was "his place", and was able to manifest his abilities according to his own imagination, multiplying his form several times, and attacking Brains en masse, forcing her to flee the astral plane, and bringing him out of his coma.

has a manual and a course it requires for its agents who interrogate telepaths like Reinhart, in order to prevent the compromise of sensitive information, but its exact protocols have not been revealed.