TZMurakumo has been providing the TEKKEN 6 community with lots of informative stuff and great Lee tutorials and combo videos. If you are looking forward to learning this character then you should definitely start with these videos. Click below in order to watch them.
Lee Chaolan Tutorial, part 1
Lee Chaolan Tutorial, part 2
Lee wall combo guide
Lee combo video
More vids can be found at TZMurakumo’s YouTube channel.