Father Time
Methuselah
Nestor
Old Paar
centenarian
dotard
elder
gaffer
geezer
golden-ager
gramps
grandfather
grandsire
gray-headed person
grayhair
grisard
nonagenarian
octogenarian
old chap
old codger
old dog
old duffer
old geezer
old gent
old gentleman
old man
old party
old-timer
older
oldster
pantaloon
patriarch
presbyter
senior citizen
septuagenarian
sexagenarian
the quiet-voiced elders
venerable sir
veteran
adult male
golden ager
man
old person
antique
codger
oldtimer
Bk
cisco
dancing-master
fifer
gink
hard-favored
lanterne
mill-stream
mischief-loving
monopolism
oldsters
sea bass
shillelagh
shrew-mice
son-of-a-gun
woman-hater
woollen-draper