Izar

Izar, a character in the Across the Void series, is a Jura stowaway on the Atlas. He is first seen in Book 1, Chapter 7.

Pax Elara
Pax was the one who snuck Izar onto the Atlas.

Trivia

 * He was revealed as part of the Romly alien race Book 1, Chapter 7.
 * In keeping with the astronomy naming theme of the story, Izar means "star" in Basque.