I'll start with the birthday boy: Danny DeVito
https://twitter.com/Shaka914/status/1858309994430484757
I knew he wasn't dead, but I figured he had to be over 80. It's not that he looks old now... it's that he looked old in the '70s.
DeVito was just 34 when he played Louie on "Taxi". I assumed he was around 45-50 at the time.