Smile!

Smile! (Aka: Smiler) is a cup of coffee, it is (kind of) passive towards all beings, things that are placed in it will turn into coffee, no matter if it is solid, non-coffee or even gas, when the person drinks the coffee they will start smiling, this effect lasts for a minute, it can turn most things into coffee and the only exception is oxygen, this means it can turn human flesh into coffee

Method of killing
If you stick your head in Smile! it will not hesitate in turning your head into coffee

Trivia
This is the first passive specimen that Peter has ever created

It is not related to Smily, demons, souls or shades in any way