|Emperor Palpatine is an example of an old disgusting person, with unlimited power.|
-They look like raisins.
-Hands are nasty and veiny (see picture)
-They look at you weird.
-They try to touch you.
-ALWAYS need your help.
Obviously this doesn't apply to your own family of old people, only everyone else's.
Look at this video for a reaction of being scared by an old person: