comedy or hilarious
A geriatric You call them elderly or an elder.
very old
A person that is very old is commonly referred to as elderly or a senior citizen.
ancient, outdated, old fashioned ......
Spoiled, rotten, old, stale
You call him and say hey do you want to do something?
i have no idea sorry
Something very old could be primeval (earliest, first) or primordial (oldest).
a very old thong
A old tracker that is very old. you can make it but you can not copy it.
Very old,