Comic Title: Sea Devils #28
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: Mar/Apr 1966
On Sale Date: January 18, 1966 Newsstand Date January 18, 1966
Source: Direct Currents, Capt. Storm #12, Page 8

Copyright Date January 18, 1966
Source: Library of Congress, Periodicals 1966

Frequency: Bi-monthly
Cover Price: $0.12
Page Count: 32
Circulation: 183008
Editor: George Kashdan

Title: "The Super-Secret of the Human Hybrid"
Pages: 24

Feature(s):
Sea Devils (of Earth-1)

Penciller: Howard Purcell
Inker: Sheldon Moldoff

Feature Character(s)

• Sea Devils (last appearance in Sea Devils #27; next appearance in Sea Devils #29)
• Dane Dorrance (last appearance in Sea Devils #27; next appearance in Sea Devils #29)
• Biff Bailey (last appearance in Sea Devils #27; next appearance in Sea Devils #29)
• Judy Walton (last appearance in Sea Devils #27; next appearance in Sea Devils #29)
• Nicky Walton (last appearance in Sea Devils #27; next appearance in Sea Devils #29)

Supporting Character(s)

• The International Sea Devils (last appearance in Sea Devils #27; next appearance in Sea Devils #29)
• Captain X (last appearance in Sea Devils #26; next appearance in Sea Devils #30)
• Man-Fish (last appearance in Sea Devils #26; next appearance in Sea Devils #30)

Villain(s)

• Professor Rend, a manosaur, and a manosaur robot (no further appearances)

Other Character(s)

• R.L. (a movie director; no further appearances)

Cameo Appearance(s)

• Nazi soldiers (in flashback to the origin of Captain X)

Synopsis:
The Sea Devils help Professor Rend excavate the fossils of a manosaur from the ocean floor. The manosaur is a giant half-lizard creature. It comes to life after being brought to the surface and takes Judy hostage. The manosaur is actually a robot controlled by Rend.

The Sea Devils and Man-Fish both pursue the manosaur and Judy to a sunken ship. Professor Rend expects to find a young living manosaur inside. The young manosaur is actually full grown. It destroys the robot, then attacks Dane. Man-Fish, the Sea Devils, and Captain X all try to free him. Working together, the manosaur is finally killed without harming Dane or the others.