Who are the assassin's creed characters?

There are a few essential characters that people should know. These include;

Modern Characters:

Desmond Miles

Lucy Stillman

Warren Vidic

Past Characters

Altair Ibn-La'Ahad (Prounouced: All-Tai-Ear La-Ah-Had)

Ezio Auditore da Fireze (Pronounced: Et-Zi-oh Ah-Di-Tor-Ay da Fee-Ren-Zay)