| Release: | Feb 1964 |
| Cover: | Feb 1964 |
Menace Of The Robot Brain / The Beast Who Was J'onn J'onzz
| Release: | Feb 1964 |
| Cover: | Feb 1964 |
Menace Of The Robot Brain -
The Beast Who Was J'onn J'onzz - An ancient creature is awakened. Sent to stop it, the Manhunter takes on the forms of other beasts to learn which ancient creature can form a defense against it. When one of them turns out to be powered by internal flames, the Manhunter is unable to change back.
| Writer | Dave Wood, Jack Miller |
| Artist | Joe Certa |
| Editor | Jack Schiff |
| Robin | Dick Grayson |
| Zook | |
| Commissioner Gordon | James 'Jim' Gordon |
| Diane Meade | |
| Batman | Bruce Wayne |
| Martian Manhunter | J'onn J'onzz |
| Daniel Williams | |
| Ernst Larue | |
| Captain Harding |
| Age | Silver Age |
|---|---|
| Format | Comic |
| Series Group | Batman |
| Genre | Action | Adventure | Crime | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |