Related Clues:

• Sad sort
• Melancholiac
• Sullen sort
• Gloomy Gus
• Sad sack
• Grump
• Sour sort
• Sulking sort
• Sulking one
• Long-faced one
• One failing to keep her head up
• Kid who doesn't get his way, maybe
• One with a long face
• Sulky sort
• Sullen one