Chris resides in Station Square, living with Chuck Thorndyke, Ella and Mr. Tanaka. He has been alone for years because his parents, Nelson Thorndyke and Lindsay Thorndyke, are always busy. Mentioned in flashbacks of the comic series, Chris' life changed when Sonic accidentally fell into his swimming pool. Chris managed to save his life and the two become good friends.
Chris Thorndyke has the strength of an avarge human his age. In the Sonic X Anime series he is shown to have an amazing talent of inventing varies gagets although around that time in the series he was biologically 18 years old.
Chris Thorndyke is shown to be very geneross and quite likeable even by this zones version of Dr. Eggman. He has been known to be reckless at times and is even shown to have slight temper. He's very courages and extremely loyal to his friends and always does his best to help out in any way he can.
Because of dialogue and reactions from Chris in Sonic X #40, that zone's Shadow must have been very close to Chris.
Chris has a strong resembles to Sora the main protagonist in Kingdom Hearts.