|1st Appearance||Super-Mystery Comics #4|
|Publisher||Ace Magazines (Periodical House)|
|Country of origin||USA|
Captain Gallant, young scientist-adventurer, sails the seas in hus mini-sub with Peg-Leg Parsons, his assistant, and Chop Ching, oriental chief cook and bottle-washer.
The mini-sub is small but powerful craft invented by Captain Gallant.