Jin likes to frighten other people who are unaware of him so he can make them think he is a major threat, as he was scared of MK at first when he broke free from the Calabash but acted intimidating after MK questioned who he was.Like his brother, Yin acts intimidating to other people who are unaware of him so he can make them think he is a major threat, as he was scared of MK at first until the latter questioned who they were. He is also the smartest one out of the demons.