Luca Khatchadorian is Rafe, Leo, and Georgia Khatchadorian’s father. He is also the ex-husband of Jules Khatchadorian. He left his family after the death of Leo. Luca was a military soldier and died while serving as a hero for his country.
- When Rafe was a kid, Luca went to the army and died for his country. Jules shows Rafe a picture of Luca in his military uniform and a medal he received while overseas.
- Luca has an uncle: Hairy Khatchadorian
- Rafe is interested in learning about Luca after finding a photo of him and Jules outside of Hairy's Place.
- In “Middle School: The Worst Years of My Life” movie, Jules tells Rafe that Luca obviously couldn’t handle the death of Leo Khatchadorian. Luca may have possibly taken his own life after the death of Leo.