Some do but it depends on what time and place it is.
Autographs.
They sign autographs.
Yes, Nick Swisher signs autographs!
No, they are too busy, But they are signing autographs
Yes, Amelia Earhart did sign autographs for fans and supporters throughout her career as a pioneering aviator. Her autographs are considered valuable and sought after by collectors.
yes
Jason Statham does sign autographs. My cousin got it yesterday, when he spotted him walking in central London.
yes ive gotten autographs afterwards
I'm sure that the website, because they do this for a living, have access to celebrities and can ask them for autographs anytime, but because Marilyn has been dead for 50 years, I'm afraid only the autographs that currently exist are authentic, but there are some that copy her signature.
Yes
nope
Her name.