grailworth

Koko (Brainiac's pet, DC, 20th century)

4 appearances · First published 1958

Koko (Brainiac's pet, DC, 20th century) appears in 4 issues in grailworth's catalog, and was first published in 1958.

Every appearance we value

Action Comics (1938) 1 issue

Adventure Comics (1938) 1 issue

Supergirl Annual (1996) 1 issue

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