Characters created by Keith Giffen

Batwoman is a fictional superhero appearing in American comic books published by DC Comics. In all of the character's incarnations, she is a wealthy heiress who becomes inspired by the superhero Batman and chooses, like him, to put her wealth and resources towards a campaign to fight crime as a masked vigilante in her home of Gotham City. The identity of Batwoman is shared by two heroines in mainstream DC publications; both women are named Katherine Kane, with the original Batwoman commonly referred to by her nickname Kathy and the modern incarnation going by the name Kate.

Ice (Tora Olafsdotter) is a fictional character, a comic book superheroine in publications from DC Comics.

Rocket Raccoon is a fictional character appearing in American comic books published by Marvel Comics. Created by writer Bill Mantlo and artist Keith Giffen, the character first appeared in Marvel Preview #7 (Summer 1976). He is an intelligent, anthropomorphic raccoon, who is an expert marksman and master tactician. His name and aspects of his character are a nod to The Beatles' 1968 song "Rocky Raccoon".

Queen Bee is the name of four different DC Comics supervillains.

Lobo is a fictional character that appears in comic books published by DC Comics. The Lobo character was created by Roger Slifer and Keith Giffen, and first appeared in Omega Men #3 (June 1983). Lobo is an alien born on the utopian planet of Czarnia, and works as an interstellar mercenary and bounty hunter.

Super Buddies are a team of comic book superheroes in the DC Comics universe who appear in the six-issue Formerly Known as the Justice League miniseries in 2003, and its 2005 sequel, I Can't Believe It's Not the Justice League (published in JLA Classified). The team is put together by former Justice League bank roller Maxwell Lord as a superhero team "accessible to the common man". The team is considered more or less inept and incapable of being of any help by many (including the actual Justice League). The team was created by writers Keith Giffen and J. M. DeMatteis, and artists Kevin Maguire and Joe Rubinstein.

L.E.G.I.O.N. is a science fiction comic book created by Keith Giffen, Bill Mantlo and Todd McFarlane and published by DC Comics. The principal subject of the comic book is a team of fictional extraterrestrial superheroes. The characters first appeared in Invasion! #1 (December 1988). The original series chronicled the formation and activity of an interplanetary police force whose mission was to act as a peace-keeping force in their galaxy.

Yera Allon, also known as Chameleon Girl, is a fictional character, a superheroine and Legion of Super-Heroes member in the DC Universe's 30th and 31st centuries.

Invisible Kid is the name of two superheroes in the DC Comics universe, both of whom are members of the Legion of Super-Heroes in the 30th and 31st centuries.

Arsenal is a fictional character, a robot appearing in American comic books published by Marvel Comics. The character first appears in Iron Man #114 (Sep. 1978) and was created by Bill Mantlo and Keith Giffen.