Started entirely by Syb la tortue, she introduced me to homestuck, the idea of quadrants and the concept of quadrants plus one piece to me. This picture: http://syblatortue.tumblr.com/post/29228514788/i-was-reminded-that-zoro-tentacles-is-a-thing-and and this one http://syblatortue.deviantart.com/art/Up-Close-and-Personal-342278201 are also to blame.