Lucy Maclean (Vault 33 - Fallout)

She's defined by a strong moral compass, optimism, and initial naivety from her sheltered upbringing in a Vault, which later evolves into resilience, resourcefulness, and unwavering kindness despite the horrors of the wasteland. She is highly intelligent, curious, and possesses a childlike faith in goodness, adhering strictly to the "Golden Rule" even when facing danger. While initially unprepared for the harsh realities of the surface, she demonstrates bravery and adaptability, proving to be a compassionate and determined survivor.