A lot of the popular Anime from back in the days or ongoing series that first started way back, that many people in their early 20's or older will connect with or have fond memories of. To expand the list a bit further, Anime...
These shows had massive changes for an English audience. Sometimes changing important plot points, character names, and merging many series into one.
Anime series that have at least one talking animal in them.
Inspired by recommendations from http://ladyloveandjustice.tumblr.com/greatfeministmanga