Swamp Thing #104 was published by DC Comics on February 1, 1991, as part of a series that began in 1986. Doug Wheeler and Marc N'Guessan write, and art comes from Bill Jaaska, Ian Miller and Mike Hoffman. This 36-page issue features Swamp Thing, Abby Holland, Tefé Holland, Yggdrasil and Tuuru, among 9 characters cataloged on VerseDB.