Julian was first introduced by Gray G. Haddock at the end of the NYCC RWBY panel on October 6th, 2017 in a sneak peek available for attendees of the panel only. On November 18, 2017, it was revealed that Julian is from Brooklyn, New York. He will be voiced by Michael B. Jordan.
Julian is described as an "All-American guy" by creator Gray G. Haddock, who continues to describe Julian as "charming, funny and the first guy to break the ice to make sure people are doing OK." Julian also has the leadership skills to help form the show's main team. His current struggle entails adjusting to life after personal tragedy.
The following information accompanies Chase's profile in the Character Reveal Teaser #1:
NAME: CHASE, JULIAN
RANK: O-2 1LT
PILOT QUAL: ADVANCED STRIKE
CURRENT ASSIGNMENT: TOP SECRET//GL
PREVIOUS ASSIGNMENT: DUTY VB110 AEIRE VAP
FITREP: XREF 12898211134
OMAs: V-AMN 141/08; ICM 32/2; TEM 287/1
PILOT TRAINING: IFS API T-72 T-88 F-66
Information from a fragment of the script shared on Twitter by Gray Haddock suggests Julian is 21 years old.