grailworth

Ultra Boy (Jo Nah of Rimbor)

92 appearances · First published 1962

Ultra Boy (Jo Nah of Rimbor) appears in 92 issues in grailworth's catalog, and was first published in 1962. Key issues with Ultra Boy include Crisis on Infinite Earths #8 (1985).

Key issues

Every appearance we value

JSA (1999) 1 issue

Character appearances from the Grand Comics Database, CC BY-SA 4.0.