KOKO	CHRONOLOGY
Created by Otto Binder and Al Plastino

CHRONOLOGY

Koko first appeared in Action Comics #242 (July 1958): "The Super-Duel in Space".

Below is the definitive list of appearances of Koko in chronological order. Flashback sequences or story entries will be followed by a [Flashback] note. Stories that for some reason are no longer part of current continuity will have a comment saying this in a note following the entry.

Follow the links for a complete index of the issue, including story and creator info as well as full character chronology and in some cases story synopses.

The chronology list can also be sorted according to Comic book title. Please note: If you want to go back to the chronological listing after having used the sorting tool you have to reload the page.

To go to the Koko (Pre-Crisis) biography click here.

Koko Chronology

Click to list by alphabetically by title
Superman Vol. 1 #141 (November 1960): "Superman's Return to Krypton"
Superboy Vol. 1 #106/2 (July 1963): "The Lair of Brainiac"
Action Comics #242 (July 1958): "The Super-Duel in Space"