Sorry for being late!
They’re soldiers
They’re sexy
They like to flirt
The Doctor didn’t trust them in the beginning.
Jack used the Doctor’s hand as a Doctor detector and this same hand controlled the Tardis so it could go to Messaline and the Doctor could meet Jenny.
They can’t die, but they don’t regenerate.
Some stories with Jack & Jenny
Child of the Machine Who are you? A community devoted to them:
Time soldiers