Methuselah (?.)

• Father Time
• Nestor
• Old Paar
• antediluvian
• antique
• back number
• centenarian
• conservative
• dad
• dodo
• dotard
• elder
• fogy
• fossil
• fud
• fuddy-duddy
• gaffer
• geezer
• golden-ager
• gramps
• grandfather
• grandsire
• granny
• graybeard
• has-been
• longhair
• matriarch
• mid-Victorian
• mossback
• nonagenarian
• octogenarian
• old believer
• old chap
• old codger
• old crock
• old dodo
• old dog
• old duffer
• old fogy
• old geezer
• old gent
• old gentleman
• old liner
• old man
• old party
• old poop
• old woman
• old-timer
• older
• oldster
• pantaloon
• patriarch
• pop
• pops
• presbyter
• reactionary
• regular old fogy
• relic
• senior citizen
• septuagenarian
• sexagenarian
• square
• starets
• the quiet-voiced elders
• traditionalist
• venerable sir
• veteran