File:Alita cosplayer at FanimeCon 2010-05-30.JPG - Wikimedia Commons
Battle Angel Alita - Wikipedia
Gunnm (Battle Angel Alita) - MyAnimeList.net
Battle Angel Alita: Last Order - Wikipedia
Alita - MI2wiki
Battle Angel Alita: Mars Chronicle - Wikipedia
Is Caerula/Vilma the oldest still living character in the series? According to the wiki she's 740 years old. The only characters that come somewhat close to her are M'Badi and Alita herself,