A character not listed is Ki-Gor. He ran for 59 issues over the course of 16 years as the lead character in JUNGLE STORIES. Should be noted that two of his adventures were the same adventure, just with a name change, so that would be 58 original novel length stories.
And one of the Don Winslow pulps got a facsimile treatment some time ago, complete with the Sheldon Mayer comics.