First Meeting with Booster Gold: Action Comics #1000, 2018

Membership: Metropolis Mayor Barnes, Harley Quinn, Sideways, Silencer

In order for Superman to take the time off to attend the Superman Day celebration, WONDER WOMAN organized some of Superman's most powerful fans to defend the planet from a invasion of interstellar Khund warriors.

First Appearance: Showcase #74, 1968

First Meeting with Booster Gold: Booster Gold, Vol. 2, #8, 2008

Encounters with Booster Gold: 1

The very first Cro-Magnon man, Anthro is the common ancestor of all humans on Earth in the DC Universe.

Booster Gold met the time-displaced Anthro in an alternate-present while Booster was trying to correct his own mistakes with history. It is unclear what Anthro was doing in the modern world.

First Appearance: StormWatch #4, Vol. 2, #4, 1998

First Meeting with Booster Gold: Wildstorm 30th Anniversary Special #1, 2023

Married couple Apollo and Midnighter were both members of a top-secret government super-team called StormWatch. To assist in their missions, Apollo was was bio-engineered to harness the power of the sun into a variety of super powers, including flight, energy blasts, and enhanced strength and durability. Midnighter has cybernetic implants that also increase his fighting abilities and, more importantly, give him an preternatural ability to consider nearly infinite tactical permutations in battle.

Apollo and Midnighter originated in the Alternate Earth of the Wildstorm Universe but were merged into Booster Gold's reality following the reality-altering events of Flashpoint. Eventually, Booster would fight alongside Apollo and Midnighter during the Dark Crisis.

First Meeting with Booster Gold: Armageddon 2001 #2, 1991

Membership: Blue Devil, Gangbuster, Robin III, Speedy, Valor

While trying to change his own future, WAVERIDER unwittingly unleashed the villainous dictator MONARCH on the world. At Waverider's warning, the heroes of Earth assembled to prevent Monarch's world domination.

Though the rest of the CONGLOMERATE was nowhere to be seen, Booster Gold responded to Monarch's ultimatum to the heroes of Earth to assemble in Metropolis.

First Appearance: Justice League of America, Vol. 1, #87, 1971

First Meeting with Booster Gold: Justice League International #17, 1988

Membership: Bluejay, Silver Sorceress, Wandjina

The Assemblers were heroes of the other-dimensional world Angor. Unable to save their own world from a nuclear holocaust, they traveled to Earth to save it from a similar fate.

Booster Gold encountered the Assembler Wandjina only after he had been damaged by a nuclear accident and manipulated into working for Bialya's QUEEN BEE. Later, Booster would work alongside both Bluejay and the Silver Sorceress when they joined the European branch of the JUSTICE LEAGUE.

First Appearance: DCU: Brave New World #1, 2006

First Meeting with Booster Gold: The All New Atom #24, 2008

Encounters with Booster Gold: 3

Ivy University Professor Ryan Choi discovered the technology of the second Atom (see JUSTICE LEAGUE) and became an unintentional hero himself as the latest Atom IV.

The Atom was saved from certain death at the hands of LADY CHRONOS by the unexpected and timely intervention of Booster Gold in their very first meeting. Booster would later meet Atom's girlfriend, Amanda Turner, and the couple's child, Ichiro at the Atom's funeral.