Julien wears a yellow long sleeved shirt underneath a navy blue vest, and brown pants. He also wears brown shoes, and has dark brown hair. He sometimes carries a shovel with him.
Julien gives the following puzzles in Professor Layton and the Azran Legacy:
"A gentle, earnest young man who, with Layton's help, gathered the courage to set out and rescue his beloved. His romantic nature sometimes leaves him unable to notice anything but the radiant Romilda."