Chen is the assistant to Professor Fang Hsi-ying. He is the one who greets Tintin and Chang upon their arrival at Professor Fang's home. He assisted Fang in his breakthrough discovery of an antidote to Rajaijah Juice. Chen as seen in the book series. Retrieved from "https://tintin.fandom.com/wiki/Chen?oldid=21764" Categories: Characters Blue Lotus Debutants Chinese Characters that only appear in one book Asians Community content is available under CC-BY-SA unless otherwise noted.