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Some people say the painted lady is just a legend, but she was here last night!
Xu, also known as his split persona Dock, was a character that appeared in one of the episodes of Avatar: The Last Airbender. His name is pronounced like as if you were saying shoe. He appeared in the episode titled "The Painted Lady". He was a salesmen and a boat owner in this small fire nation village that was being abused by the Fire Nation itself. The Fire Nation's factory nearby the village was later destroyed by Aang and Katara who we find out is the Painted Lady. When Fire Nation soldiers came to the village, Toph, Katara, and Aang fought them off. Katara later apologizes for posing as the painted lady and said all she wanted to do was help out. Toward the end of the episode, when Katara is splashing some water in her face from the now clean water in the lake. She ends up encountering the real painted lady spirit who smiles at her and thanks her for what she has done.