Name: Captain Rogall
First Appearance: Marvel Comics Presents (vol. 1) #149 (Early Mar. 1994): "500 Guns"
Number of Appearances: 1
Employer: Blue Diver sub
Defended or Helped by: The Sub-Mariner
Occupation: ship's captain
The Blue Diver (a.k.a. Deep Diver) was a submarine used by a group of eco-warriors to patrol the sea in search of environmental crimes. Namor watched over the sub when it was near Atlantis.
Suggested links for further research about this character and the character's religious affiliation: