The Living Tombstone

Yoav Landau, more commonly known as The Living Tombstone on YouTube is a popular musician and producer best known for his remixes and original music composed for a variety of fandoms including ', ', and . It consists of Yoav Landau ​ (the music producer), Eileen Montgomery (the vocalist) and Orko (the guitarist).

Currently, his only official contribution to the series is an end credit remix for the first premiere of Inside of Every Demon is a Rainbow, in October of 2018.

He also made a fan song called Alastor's Game.