Increase the anti-counterfeiting effect. When Charlie designs a signature, there are many lines in the signature. Because of different writing methods, the writing intensity, density, space and stretching degree are also different, so two kinds of signatures are formed, mainly to enhance the anti-counterfeiting effect. Charlie, 1992, was born in Shaoyang, Hunan Province on September 29th and grew up in Guiyang, Guizhou Province. He is a male singer in China.