Keith Ian Giffen, born November 30, 1952, was one of the more versatile and prolific figures in mainstream American comics, contributing as artist, writer, colorist, and inker across a career that spanned nearly five decades — from his first credits in 1975 until his death on October 9, 2023.
Giffen built his early reputation largely through DC Comics, where his work on the Legion of Super-Heroes established him as a distinctive visual storyteller with a fondness for dense, inventive page layouts. That sensibility carried into what became arguably his most beloved contribution: the late-1980s Justice League run, produced alongside writer J.M. DeMatteis and editor Kevin Maguire's pencils, which balanced genuine superhero plotting with sharp comedic timing. His titles Justice League America and Justice League Europe rank among the most-credited works in his catalog.
As a co-creator, Giffen left a considerable mark. He played a formative role in bringing Lobo, Rocket Raccoon, and Jaime Reyes — the third Blue Beetle — into existence, characters who each found substantial lives beyond their origins. Later career work included large-scale DC projects such as Countdown and The New 52: Futures End, as well as the reimagining Scooby Apocalypse.
Over more than 1,200 credited issues, Giffen demonstrated a restless creative range that resisted easy categorization.
Legion of Super-Heroes (1984) · 53
Justice League Europe (1989) · 31
Justice League America (1989) · 31
The Legion of Super-Heroes (1980) · 28
Justice League International (1987) · 18
The Defenders (1972) · 12
Justice League [Lega della Giustizia] (1990) · 11
Tales of the Legion of Super-Heroes (1984) · 10
L.E.G.I.O.N. '89 (1989) · 10
Adventure Comics (1938) · 6
Son of Ambush Bug (1986) · 6
Justice League (1987) · 6
Green Lantern: Emerald Dawn II (1991) · 6
Claw the Unconquered (1975) · 5
Challengers of the Unknown (1958) · 5
DC Comics Presents (1978) · 5
Green Lantern: Emerald Dawn (1989) · 5
Legionnaires Three [Legionnaires 3] (1986) · 4
Justice League Annual (1987) · 4
DC presenterer (1988) · 4
Lobo: Infanticide (1992) · 4
All-Star Comics (1976) · 3
Les Défenseurs (1981) · 3
The Legion of Super-Heroes Annual (1982) · 3
Legion of Super-Heroes Annual (1985) · 3
Justice League Quarterly (1990) · 3
American Heroes (1991) · 3
L.E.G.I.O.N. & Lobo (1992) · 3
Amazing Adventures (1970) · 2
Marvel Premiere (1972) · 2
Kamandi, the Last Boy on Earth (1972) · 2
Super-Villain Team-Up (1975) · 2
World's Finest Comics (1941) · 2
Superman Superband (1973) · 2
Superman Taschenbuch (1976) · 2
The Daring New Adventures of Supergirl (1982) · 2
The Best of DC (1979) · 2
La Légion des Super-Héros (1984) · 2
The Immortal Doctor Fate (1985) · 2
Tales of the Legion of Super-Heroes Annual (1986) · 2
Secret Origins (1986) · 2
Legion of Super-Heroes: The Great Darkness Saga (1989) · 2
Mister Miracle (1989) · 2
Justice League Europe Annual (1990) · 2
Eclipso: The Darkness Within (1992) · 2
The Deadly Hands of Kung Fu (1974) · 1
Historias Fantásticas (1958) · 1
Gamma la bombe qui a créé Hulk (1979) · 1
Thor le fils d'Odin (1979) · 1
Álbum Gigante (Edição Garra, o Invencível) (1982) · 1
Superman recherche Superman (1983) · 1
The New Adventures of Superboy (1980) · 1
All-Star Squadron Annual (1982) · 1
Wally Wood's T.H.U.N.D.E.R. Agents (1984) · 1
La Légion des Super-Héros et les Nouveaux Jeunes Titans (1984) · 1
Legion of Substitute Heroes Special (1985) · 1
Codename: Danger (1985) · 1
Omega Men Annual (1984) · 1
Science Fiction Graphic Novel (1985) · 1
Ambush Bug Stocking Stuffer (1986) · 1
Doc Stearn...Mr. Monster (1985) · 1
Amethyst Special (1986) · 1
The March Hare (1986) · 1
The Spectacular Spider-Man (1976) · 1
Lovens Vogtere (1988) · 1
Aquaman Special (1989) · 1
Justice League: A New Beginning (1989) · 1
Justice League Special (1990) · 1
L.E.G.I.O.N. '90 (1990) · 1
Liga da Justiça (1989) · 1
Who's Who in the DC Universe (1990) · 1
L.E.G.I.O.N. '91 (1991) · 1
Justice League America Annual (1991) · 1
Legends of the Dark Knight Annual (1991) · 1
Lobo Paramilitary Christmas Special (1991) · 1
Lobo: The Last Czarnian (1991) · 1
Justice League International: The Secret Gospel of Maxwell Lord (1992) · 1
Doom Force Special (1992) · 1
Ambush Bug Nothing Special (1992) · 1
Lobo: Blazing Chain of Love (1992) · 1
Superman: The Man of Steel (1991) · 1
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