Avatar: 7/10: Text is okay, the picture is okay but to plain
Sig: 7/10 - The Main Text is funny, your Name text is not that easy to see and the picture is too big and too plain
Avatar: 6/10 Plain but Urahara is cool
Signature: 8/10: I like one picture instead and I think you should like have a translation for Watashi Wa Desu. The only word I know is "I"