richie

-losing someone you love and care for
-so when IT comes to torment you, you see stan and richie's dead bodies

bill

-insects
-IT appears as a giant spider that just sits on your bedroom roof and never moves

eddie

-disappearing and being forgotten
-when IT torments you, you find a missing poster with your face on it and your information

stan

-your greatest fear is IT itself
-i think you can picture what you see when IT torments you

beverly

-henry bowers and his gang
-basically when IT torments you, you see henry, patrick, victor and belch everywhere you go