Tobi was really someone who was dark and mysterious, but he had a sense of humor, and he seemed sadistic.
the moment the mask came off it was like the sadism and dark humor went away. He stuck with a straight face the entire time.
Sakura continues to disappoint, because she never gets better as a person no matter how strong she gets. she always wants attention. even if its not the same as before, she still makes sure she gets it. For example: when sai asked her if she's ok that sasuke is back, she looks like she's been crying for hours, gives a fake smile to him and says yeah.
she is the most annoying character. even Masashi Kishimoto likes her.