Yoda

Yoda is the leader of the Jedi council in Star Wars and a very wise creature. Not much is known of his species or age but many guess hes over 900 years old. Yoda appeared in 5 of the 6 live-action Star Wars movies and in both of the animated movies

Media
Yoda has appeared in 7 of the 8 Star Wars films and most of it's expanded universe media (Comics, VG's, Animation etc.) He is globally recognised and, according to Empire Magazine, is the 25th greatest movie character of all time.