Julie Yamamoto/Earth-69

Julie Yamamoto is a regular Asian/American teenager. After meeting Ben Tennyson, she and him began to date. On the two's first date at a Pier, she learned that he wielded a powerful alien watch known as the Omnitrix, which allowed Ben to be a superhero as one of a million alien forms, and also gained an alien pet the two named Ship, whom she treats like an average dog (much to the concern of Ben). She loves her pet, Ben, and helping out Ben, Gwen, and Kevin using her pet Ship.

She is currently dating Ben Tennyson, and has yet-to-be seen onscreen in Ben 10: Alien Universe. She appeared in the remake series Back in Action: Alien Universe written-only episode Infernosphere, and is due to appear in the animated episodes, especially in the re-animated version of Alien Queen.

Back in Action: Alien Universe

 * She first appeared in Infernosphere, where she aided Ben on her journey to Azmuth.
 * She will appear quite often in animated episodes.

Trivia

 * In Infernosphere, Ben mentions Dr. Vicktor to her and she seems to be fully aware of his whereabouts. How she is aware of Dr. Vicktor is unknown.
 * She is confirmed to appear in every episode of the Shorts season of BiA: AU, normally aided by Ship.