Possible Clues:

• 'Grand, ungodly, godlike man' of fiction
• Obsessed skipper
• White whale chaser
• Melville's "grand, ungodly, god-like man"
• Moby Dick's chaser
• Starbuck's superior
• White whale pursuer of fiction
• 'Call me Ishmael' speaker
• ''To the last I grapple with thee'' speaker
• "... thou damned whale!" speaker