
Codger
Slightly Disparaging
 Codger can have a mildly negative tone, suggesting old age with peculiar habits. 
He's a bit of a codger with his countless garden gnomes.
 Affectionately Teasing
 Sometimes used fondly among friends or family to tease about being old-fashioned. 
You're such an old codger, grandpa, with your vinyl records!
 Informal Use
 Codger is casual, not for formal writing; more for spoken language or informal texts. 
Our neighbor, the friendly codger, waved hello.