Possible Clues:

• Philistine giant
• Whom David slew in the Valley of Elah?
• Massive adversary
• One known for living large and getting stoned?
• Very big chap who went down to a stone!
• Climbing back into pig monster
• Was huge enough to hit goal
• Trouble arising when captured by barbarian or Philistine
• The giant slain by David
• Brobdingnagian