Dreamslayer
Dreamslayer (identity unknown, Extremists, 1990-2006, 2017-2018) appears in 13 issues in grailworth's catalog, and was first published in 1990.
Every appearance we value
Justice League America (1989) 3 issues
Justice League Quarterly (1990) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.