- Bad-tempered
- Cantankerous
- Crotchety
- Crusty like crustaceans?
- Grouchy
- Grumpy
- Ill-tempered
- Cantankerous
- Determined
- Dogged
- Grumpy-looking
- Relentlessly stern
- Smell
- Stolid
- Grumpy-looking
- of Scowl
- Cantankerous
- Choleric
- Crabby
- Cranky
- Easily angered
- Grumpy
- Irritable
- Grumpy
- Irritable
- Testy