That was over 25 years ago in 1997.
Today he is 77, and has starred in 112 movies in total, 59 since Hercules was released.
In Hercules, I think Danny DeVito looks:
Hercules scores 7.4 out of 10 on The Movie Database.
Danny DeVito's first acting role was as 'Thug' in Dreams of Glass, released in 1970 when he was 25.