Ding Zhen. Tik Tok has a pig's tail named Ding Zhen. Ding Zhen's full name is Tashi Ding Zhen. He is a Tibetan teenager with delicate facial features, original skin color, clear eyes and a little shy. He became popular on June 1 1 with the smiling video of Tik Tok account "Smiling Collector Borg", which lasted less than 10 second.