Grim Tales From Down Below, often shortened to Grim Tales or GT, is a manga-styled fancomic drawn by Bleedman and is hosted at Snafu Comics also it will be possible Future animated series of the Comic just like PPGD. Bleedman did all the art for Grim Tales while Griddles helped with the story. In Chapter 2 was another story helped named Heather M. Solomon, but she was not mentioned in other chapters.

The comic is mainly based on The Grim Adventures of Billy & Mandy, but also other series and movies for example: Danny Phantom, The Powerpuff Girls, The Nightmare Before Christmas, The Fairly OddParents, Hey Arnold!, Hellspawn, Mina and the Count and Adventure Time.

Grim Tales is seperated in 3 arcs so far; Grim Tales: From Down Below,Grim Tales: What About Mimi? and currently the Grim Tales: Further Orientation.

One of the future chapters called Afterbith have been leaked on the internet. But it was also said that this story might not be in and so isn't concidered canon, yet.