Codger and Grumpy

noun

• Used affectionately to refer to an eccentric but amusing old man.
  • synonyms: old codger

• (n.) A singular or odd person; -- a familiar, humorous or depreciatory appellation.
• (n.) A miser or mean person.

adjective

• Annoyed and irritable.
  • synonyms: crabbed, crabby, cross, fussy, grouchy, bad-tempered, ill-tempered