Dragon is a mystical animal in China and has significant influence on Chinese culture in China.
Below are some different calligraphic symbols of dragon in traditional Chinese, which were written by the greatest Chinese calligraphists in Chinese history, like Wang Xizhi, for example. You may use this to do a Chinese dragon tattoo just enjoy the beauty of these Chinese characters.

You may also want to know the sons of Chinese dragon. In Chinese folklore, the dragon has 9 sons which have different characters and take different responsibilities.
1st son: named 赑屃 (bìxì). Bixi has unlimited physical strength and its reponsibilities is to carry heavy stone tablets on its back.
2nd son: named 螭吻 or 鸱尾 (chīwěn or chīwěi). It loves to swollow fire and its job is to stands on the ridges to keep houses from fire.
3rd son: named 蒲牢 (púláo). It roars so loudly when hit that it is assigned the job to sit on the bell.
4th son: named 狴犴 (bì’àn). It hates criminals and thus it was often seen on official's court and jail.

5th son: named 饕餮 (tāotiè). Taotie loves to eat and has a very good appetite. Thus it was used as the handles of food vessels.
6th son: named 蚣蝮 (bāxià). It loves water and is often used as decoration on balustrades of bridges. 7th son: named 睚眦 (yázì). Yazi is a killer and loves fighting. Thus it is used to decorate the handles of swords.
8th son: named 狻猊 (suānní). It loves squating and smelling the smell of incense. It often accompanies the Buddha and incense burner.
9th son: 椒图 (jiāotú). The smallest son of the dragon suffers autism and it decorates door knocker.
However, there are other versions about the the 9 sons of the Chinese Dragon.