Jun Fukuyama voices both Lelouch and Julius. As for the clone theory I expect it might be morally wrong to clone people as it is in the real world. Charles could of changed Lelouch's memories multiple times too. As for the unnamed child's geass, according to the wiki it was most likely given to him by V.V.

Jun Fukuyama voices both Lelouch and Julius. As for the clone theory, I expect it might be morally wrong to clone people, the same as it is in the real world. Charles could have changed Lelouch's memories multiple times too. As for the unnamed child's geass, according to the wiki, it was most likely given to him by V.V.