| Issue | #30 |
| Published | July-August 1966 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | George Kashdan |
| Characters | Sea Devils |
| Genre | adventure |
| Pencils | Howard Purcell |
| Inks | Jack Adler |
| Colors | Jack Adler (wash) |
| Characters | Sea Devils; Caesar the Chimp; Man-Fish |
| Synopsis | Caesar the Chimp is sent to the bottom of the sea as part of a scientific experiment, where he somehow mutates into a giant aquatic talking ape. |
| Genre | adventure |
| Script | France Herron? |
| Pencils | Howard Purcell |
| Inks | Sheldon Moldoff |
| Notes | writer id by Bob Hughes |
| Script | Jack Schiff |
| Pencils | Morris Waldinger? |
| Inks | Tommy Nicolosi? |
| Characters | Sea Devils; Caesar the Chimp; Man-Fish; Professor Adams |
| Genre | adventure |
| Script | France Ed Herron? |
| Pencils | Howard Purcell |
| Inks | Sheldon Moldoff |
| Script | Henry Boltinoff; Steven Smith |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Script | George Kashdan |
| Letters | typeset |
| Characters | Sea Devils; Caesar the Chimp; Man-Fish; Professor Adams; Captain X; International Sea Devils; Molo; two aliens |
| Genre | adventure |
| Script | Ed France Herron? |
| Pencils | Howard Purcell |
| Inks | Sheldon Moldoff |