The Letter. The artist is Pony-Berserker, Link: pony-berserker.deviantart.com/art/Stan-Writes-A... I'm pretty sure this is why you never cross these two shows ( The Letter artist is Pony-Berserker Link: pony-berserker deviantart com/art/Stan-Writes-A I'm pretty sure this why you never cross these two shows (