From Wikipedia, the free encyclopedia

Back to the Future character
Todd Cameron Brown as Jules Brown
Jules Eratosthenes Brown
Role	Doc's son
Profession	None
Original time	1886
Time traveler	Yes
Appeared in	Part III, AS
Portrayed by	Todd Cameron Brown
Voiced by	Joshua Keaton

Part of the article series on Back to the Future trilogy
Movies
Back to the Future Back to the Future Part II Back to the Future Part III
The McFly Family
Marty McFly · George McFly Lorraine Baines · Jennifer Parker Seamus & Maggie McFly
The Brown Family
Dr. Emmett "Doc" Brown Clara Clayton · Jules Brown Verne Brown · Einstein
The Tannen Family
Biff Tannen · Griff Tannen Buford "Mad Dog" Tannen
Related articles
Other characters · Hill Valley Animated series · The Ride Video games · Timeline v • d • e

Jules Eratosthenes Brown is a fictional character in the Back to the Future motion picture trilogy, played in Back to the Future Part III by Todd Cameron Brown and voiced in the animated series by Josh Keaton.

Jules was most likely born in 1886, the oldest son of Doc and Clara Brown. His first name is in reference to Jules Verne, the favorite novelist of his parents. His middle name was revealed in Back to the Future: the Animated Series as a reference to Eratosthenes of Cyrene.

Unlike his younger brother Verne, Jules is very smart for his age and takes after his father in that he will use very long words in his everyday speech. He always calls Marty McFly "Martin". Jules is top of the class at school; however, he is not that popular and only has a few friends. Nevertheless, he is usually quite good-natured, even if he does tease his brother quite a bit. Jules did once let being rich go to his head after he grew a money tree. He appears to have a crush on his classmate Franny Philips and also likes baseball and inventing.

When Doc and Clara were left behind in 1885 near the end of the film, they had no way of leaving the 19th century since the DeLorean time machine, with Marty inside it, had gone back to 1985 where it was destroyed by a train. Doc and Clara married and had their sons Jules in 1886 and Verne in 1888.

Doc knew that he shouldn't be in the past, and neither should his family, since Clara should have died in 1885, and Jules and Verne never existed originally. As such, he managed to build a new time machine out of a steam train and managed to get his family out of the 19th century and back to the 20th century. The family visited 1985 at the end of the film to see Marty and Jennifer before they departed to the time unknown, where Jules met them for the first time.

The animated series reveals that Jules, along with the rest of the family, moved to the 20th century. By 1991, when the series began, Jules was about 10/11 years old (biologically). Played by child actor Josh Keaton.

Jules appeared in most episodes, although the only episode centered around him was "The Money Tree", where he tried to become popular by inventing a money tree. Usually Jules would be with Verne (and sometimes his parents or Marty) in their time travel adventures. He invented a machine that would provide newspaper headlines from any day in history, which he later used to save his parents from a space cruise in 2091 that would end up crashing, and was indirectly involved in almost erasing electricity from existence (after saying to Verne that he was adopted, Verne thought Benjamin Franklin was his father and interfered with the famous kite experiment).