The legendary hero known for his twelve labors in Greek mythology is Heracles (or Hercules). His tasks included formidable challenges, such as slaying the Nemean Lion and capturing the Golden Hind. Each labor was designed to test his strength and resilience, reflecting themes of heroism and the struggle against overwhelming odds. Heracles' adventures also serve as allegories for personal growth and redemption, whereby the hero learns important life lessons through his trials, thus embodying the dual nature of strength and vulnerability in heroic narratives.