First appearances of characters whose name contains “Absence (Una Nemo)”"

IssueTitleNotes
17Batman and Robin1st Appearance of Absence (Una Nemo)
17/ABatman and Robin1st Appearance of Absence (Una Nemo)
Bk 4Batman and Robin1st Appearance of Absence (Una Nemo); Origin of Absence (Una Nemo); Collects Batman and Robin #17–25
Bk 4/HCBatman and Robin1st Appearance of Absence (Una Nemo); Origin of Absence (Una Nemo); Collects Batman and Robin #17–25