Possible Clues:

• Padmé Amidala's grandson
• Son of Han Solo and Princess Leia
• "Star Wars: The Force Awakens" villain
• Son of Han Solo and Leia Organa (... the first 2 in this one)
• Emotional 'Star Wars' character
• 'Star Wars' villain
• Angsty 'Star Wars' villain played by Adam Driver