First Appearance: Action Comics #577, 1986

First Meeting with Booster Gold: Justice League International #25, 1989

Encounters with Booster Gold: 1

Caitiff is the last of a line of creatures who have evolved as cannibalistic humanoid underground dwellers.

Booster Gold and BLUE BEETLE II encountered Caitiff while working on an assignment to recover the creature for a laboratory.

First Appearance: Justice League America, Vol. 1, #67, 1992

First Meeting with Booster Gold: Justice League America #67, 1992

Encounters with Booster Gold: 2

Chaq is an alien life form who, long before the human race developed civilization, purchased the galactic deed for the planet Earth.

Booster Gold and the JUSTICE LEAGUE confronted Chaq when he arrived to take possession of his property.

First Appearance: New Teen Titans Annual, Vol. 1, #2, 1983

First Meeting with Booster Gold: Booster Gold #17, 1987

Encounters with Booster Gold: 2

Jade Nguyen, better known as Cheshire, is a mercenary and assassin of the highest caliber who has long been a thorn in the sides of the heroes of the world.

Booster Gold and Cheshire crossed paths when Cheshire and her Soviet employer Chordonov were tracking the hero Hawk (see TEEN TITANS) and Doctor Pete Babich, an American scientist determined to unleash a deadly biological agent on the world.

First Appearance: Booster Gold, Vol. 1, #9, 1986

First Meeting with Booster Gold: Booster Gold #9, 1986

Encounters with Booster Gold: 2

Chiller is an assassin-for-hire with the ability to sculpt his own face to impersonate other people.

Chiller was the first villain that Booster Gold encountered. In his heroic debut, Booster Gold foiled the villain's attempted assassination of United States President RONALD REAGAN during a visit to Metropolis.

First Appearance: Chase, Vol. 1, #4, 1998

First Meeting with Booster Gold: Chase #4, 1998

Membership: Acidia, Crackle, Radiant, Sharpe

Tired of playing second fiddle to other villains, the Clock King (see INJUSTICE LEAGUE) formed his own team of super powered villains, dubbing them the Clockwatchers.

Booster Gold assisted the TEEN TITANS and CAMERON CHASE against the Clockwatchers in their debut appearance.

First Appearance: Justice League Quarterly, Vol. 1, #8, 1992

First Meeting with Booster Gold: Justice League Quarterly #8, 1992

Membership: Deadeye, Elasti-Man, Element-Man, Fiero, Frostbite, Scarab, Slipstream

After MAXWELL LORD manipulated the dissolution of the original CONGLOMERATE, CLAIRE MONTGOMERY and NORMAN THE DOORMAN unwittingly enlisted super powered criminals from the anti-matter universe of Qward to replace the departed heroes.

Booster Gold's first experience with beings from Qward was supposed to be a charity competition between the JUSTICE LEAGUE and the second Conglomerate.

First Appearance: Justice League of America, Vol. 1, #142, 1977

First Meeting with Booster Gold: Justice League International #11, 1988

Encounters with Booster Gold: 3

The Construct is an artificial intelligence that gained self awareness. It has long pursued the destruction of mankind.

When Booster Gold and the JUSTICE LEAGUE battled the Construct, little did they know at the time that the Construct was working under the command of KILG%RE.

First Appearance: Justice League of America, Vol. 1, #29, 1964

First Meeting with Booster Gold: 52 #52, 2007

Membership: Johnny Quick V, Owlman III, Power Ring III, Superwoman III, Ultraman III, Earth-3 Manhunter

On the alternate universe world of Earth-5, the familiar heroes of Earth were instead villains. On this world, the villainous counterparts of the JUSTICE LEAGUE were called the Crime Syndicate.

As Booster Gold and RIP HUNTER transported between the worlds of the newly formed multiverse following the Infinite Crisis, they briefly encountered the latest incarnation of the Crime Syndicate.

First Appearance: Adventures of Superman #466, 1990

First Meeting with Booster Gold: Booster Gold, Vol. 2, #28, 2010

Encounters with Booster Gold: 1

Hank Henshaw was the lone survivor of the crew of the Space Shuttle Excalibur's encounter with solar radiation. Henshaw blamed SUPERMAN for his transition into a bodyless mind, and poses as the Cyborg Superman in an ongoing attempt at revenge.

Booster Gold met Hank Henshaw, his wife Terri Henshaw, Jim Garrison, and Steven while investigating an attempt to alter the history of the ill-fated flight of the U.S.S. Excalibur Space Shuttle. It would not be until the midst of the destruction of Coast City by the villainous Mongul that Booster Gold would actually confront Henshaw as Cyborg Superman.