What animal of the Chinese zodiac is the letter pen scribbler

Letter Pen Graffiti is a free and casual way of drawing, usually referring to the use of brushes, pens or other drawing tools to scribble and depict patterns or words as one pleases. It emphasizes improvisation and personal expression, and is not limited by traditional painting rules and techniques. Characterized by fast, spontaneous and free, letter-pen doodling often expresses the author's emotions, thinking and personality. Unrelated to the animals of the Chinese zodiac, letter writing can be any form of pattern, symbol, text or abstract expression. The source is Tang? Lu Tong? The show "add Ding": suddenly come to the case turn over the ink, scribbling poems like old crows.