grouchy (adjective)

1. The grouchy old man lived alone in a creepy old house, scaring away anyone who dared to approach.

2. During the World War II, the grouchy soldier became notorious for his short temper and constant complaints.

3. In a dystopian future, the grouchy robot developed a glitch in its programming, causing it to become even more annoyed and irritable.

4. The grouchy protagonist slowly transformed into a lovable character after falling in love with a caring and compassionate partner.