I-jin are…
– Clones
– Usually of historical figures
– Supernaturally powered

Walter (whispering): Come in and take your seats, quietly.

Examples:
– Genjo Sanzo, author, Journey to the West. I-jin possessed powers belonging to character in story
– Mata Hari, WWI double agent and exotic dancer. I-jin possessed ability to pass through walls, carry inhumanly large breasts

Walter (whispering): Not a word, Bernadette.