- Script
- Mark Evanier ? (barker)
- Pencils
- Sergio Aragonés (ringmaster)
- Inks
- Sergio Aragonés (ringmaster)
- Colors
- Tom Luth (color contortionist)
- Letters
- Stan Sakai ? (letter tamer)
- Genre
- humor; sword and sorcery
- Characters
- Groo; Gorditos; Gordosa
contains credits for book and new artwork
- Pencils
- Sergio Aragonés (ringmaster)
- Inks
- Sergio Aragonés (ringmaster)
- Colors
- Tom Luth (color contortionist)
- Genre
- humor; sword and sorcery
- Characters
- Groo; Rufferto
indicia page illustration
- Script
- Sergio Aragonés (co-plot); Mark Evanier (co-plot & dialogue, credited as depurator)
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai
- Editing
- Archie Goodwin (credited on title page of book as original juggler)
- Genre
- humor; sword and sorcery
- Characters
- Sage; Mulch; Groo
- Synopsis
- Groo has trouble with food taboos.
- Reprints
Division of writing credit from Mark Evanier via the GCD Errors list, September 2009.
- Script
- Sergio Aragonés (co-plot); Mark Evanier (co-plot & dialogue, credited as accompanist)
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai
- Editing
- Archie Goodwin (credited on title page of book as original juggler)
- Genre
- humor; sword and sorcery
- Characters
- Groo; Minstrel; Arcadio
- Synopsis
- Groo becomes Arcadio's lackey.
- Reprints
Division of writing credit from Mark Evanier via the GCD Errors list, September 2009.
- Script
- Sergio Aragonés (co-plot); Mark Evanier (co-plot & dialogue, credited as lyricist)
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai
- Editing
- Archie Goodwin (credited on title page of book as original juggler)
- Genre
- humor; sword and sorcery
- Characters
- Minstrel; Arcadio; Groo; Gorditos
- Synopsis
- Groo helps Arcadio complete his quest.
- Reprints
Division of writing credit from Mark Evanier via the GCD Errors list, September 2009.
- Script
- Sergio Aragonés (co-plot); Mark Evanier (co-plot & dialogue, credited as prompter)
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai
- Editing
- Archie Goodwin (credited on title page of book as original juggler)
- Genre
- humor; sword and sorcery
- Characters
- Groo
- Synopsis
- Groo joins a traveling theatrical troupe.
- Reprints
Division of writing credit from Mark Evanier via the GCD Errors list, September 2009.
- Script
- Mark Evanier
- Letters
- typeset
- Genre
- humor; sword and sorcery
comments on stories in book
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai ?
- Genre
- humor; sword and sorcery
- Characters
- Groo
- Reprints
Newsstand cover reprinted with UPC code replaced with black-and-white Groo portrait.
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai ?
- Genre
- humor; sword and sorcery
- Characters
- Arcadio; Minstrel; Groo
- Reprints
Newsstand cover reprinted with UPC code replaced with black-and-white Groo portrait.
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai ?
- Genre
- humor; sword and sorcery
- Characters
- Groo; Gorditos; Arcadio; Minstrel
- Reprints
Newsstand cover reprinted with UPC code replaced with black-and-white Groo portrait.
- Pencils
- Sergio Aragonés
- Inks
- Sergio Aragonés
- Colors
- Tom Luth
- Letters
- Stan Sakai ?
- Genre
- humor; sword and sorcery
- Characters
- Groo
- Reprints
Newsstand cover reprinted with UPC code replaced with black-and-white Groo portrait.
- Script
- Mark Evanier ?
- Letters
- typeset
- Genre
- humor; sword and sorcery
List of Groo trade paperbacks and graphic novels.