Old, crotchety guy
Else clues • Codger
• Coot
• Eccentric old-timer
• Eccentric sort
• Eccentric type
• Fuddy-duddy
• Funny old guy
• Old codger
• Old coot
• Old-timer
• Past-prime fellow
• Persona for Gabby Hayes
• (informal) a man who is (usually) old and/or eccentric