• xaptain james cook,
• vaptain james cook,
• faptain james cook,
• daptain james cook,
• czptain james cook,
• csptain james cook,
• cwptain james cook,
• cqptain james cook,
• caotain james cook,
• caltain james cook,
• ca-tain james cook,
• ca0tain james cook,
• caprain james cook,
• capfain james cook,
• capgain james cook,
• capyain james cook,
• cap6ain james cook,
• cap5ain james cook,
• captzin james cook,
• captsin james cook

The adjective form of "Captain James Cook" would be "Cookian" or "Cook's". For example, one could say "I am studying Cookian history" or "I am reading Captain James Cook's journals".