After she is saved from oblivion at the hands of Heaven's Exorcists by a masked stranger, Princess Octavia of the Ars Goetia finds herself wrapped up in a series of unforeseeable events, starting with a boat ride down the forgotten catacombs of Hell with her Feline-Saviour... whom she will eventually find to be quite the interesting fellow indeed.

Inspired by Out There by mmcco52. One snowy winter in the forest, a human found an Imp as a baby, and is named Blitzo, Blitz for short. Raised by a circus his family started, he travels and become a performer. when he meet other demons like him and part of a murder profession, Blitz's life begins to change as he learns about his demon self.

The Cleansing is an event were Angel's invade and kill the demons of hell. They do so for no reason and demons are powerless to stop them, not even being able to hurt them. Then comes the exterminators, those with powers and abilities that allow them to kill these Angel's, Blitzø being lucky enough to hire some of them.

On Immediate Murder Professionals, Loona the Hellhound takes in a poor boy named Cody, who lost his parents during a tragic house-fire and Loona suddenly grows to care for the boy. PS, I don't know why there is no Helluva Boss in the cartoon category. So I had to improvise, so I'm sorry for the mixup.

A white hellhound named Antauri lived in the living world and being treated badly by the kids his age along with his foster father. But things changes when the three imps killed the foster father and took him in to raise him as their own. How will he react of his new life in Hell? Warning: Strong Language and Violence!

This right here as the title says is a side story to the show you all know and love. Our main character is Donner, a young but very powerful demon who for years has served his master the Prince of the Ars Goetia faithfully. Now his said master has given him a very important role. To become the protector of his heir but in due time it'll spark into something much more.

After an encounter with a bunch of imps and a hellhound that ended up being sent to underworld, a young monster hunter not only has to face the fact that his family's reputation is known in Hell, but has to rely on the help of his newfound friends to stand against those who are seeking for his demise and find a lost family member who could be found in the seven circles of Hell.

If you told Xandar he’d wake up in hell…he’d laugh in your face. Now though? He isn’t laughing. Join him on his journey with the Immediate Murder Professionals! (Rated M. Season 1 AU)

One lemonade... One simple lemonade created in one simple day was enough to create such a domino / Moxxie never thought that using one old recipe made by the past would once again create one of the best days of his life, but at the same time one of the most chaotic days... How?

After tragedy struck, Maya moved out of the house on her own, leaving her past behind. She thought her own life was Hell on Earth, but she had yet to know the true meaning of the word. That is, until she met a certain group of Assasins that came just from below... (Continues from Helluva Newbie).

My OC just arrived in Hell with nowhere to go, and no one to turn to. Until miraculously, she finds a 'Help Wanted' sign of the front door of the I.M.P. building. Now she joins the Imps on their various murderous adventures; while discovering who she is and her purpose to I.M.P.

Will this misfortune just rip Blitzø apart farther or will he be able to pick up the pieces of his messed up life before it's too late? Will Stolas and the I.M.P crew be able to save Blitzø if he fall deeper into the depths of himself ?

After losing his company & abandoned by the ones he thought cared about him, Blitzø becomes broken & empty. What will happen to him now?

Loona takes Jax to an exciting hellhound pool party hosted by Beelzebub. And when the Queen Bee of Gluttony meets Loona's pup for the first time, fun things sure do happen. Enjoy reading. ;)

Ophelia was a poor exile living in a homeless encampment. But one day she suddenly becomes the wife of Paimon, a king of the Ars Goetia, making her a queen. It sounds like a fairy tale come true, but as you could probably tell, this is Hell. Everything has a dark side.

"I think... I think it doesn't have 2-player." "Pfft... that is just fine, Blitzy. I'm content with just watching you." A Stolitz and Blitzday story.

Family comes many shapes and sizes.

Death can’t separate brothers

Cody Laurent has adapted to living in Hell with his beloved friend/adoptive mother/legal guardian, Loona. His skills with the guitar and singing have made him a rock star. However, things change dramatically as Cody discovers that he has powers from his real father, an archangel. This puts a target on him after he indirectly kills a demon, Overlord.

Moxxie just couldn't take it anymore. Blitzø's treatment, alongside that damn phrase, was just the icing on the cake of a long series of events that had been taking place and he always thought that he has just to get over it... After a violent confrontation, Moxxie decided that he had enough. And he really is. A 'What If' set some time after "Unhappy Campers".

Banished and forgotten, Collin struggles to find the truth in regards to such injustice. Yet, his search for answers will have to wait as his colleagues seek revenge against the very demons that got them into such predicament. Will Collin's resolve be put to the test as he is dragged into the pits of Hell?

We all know how the canon story goes in Helluva Boss. But what if...the characters were swapped? How will the overall story and it's episodes go? Well, this swap AU fanfic will show you.

Alessio makes a promise to his dying wife... and things do happen. Helluva Dad Spin-off.

Millie hasn't been feeling too great lately and later finds out why. Watch her experience 9 months of cravings, mood swings, and much more as he and Moxxie are about to have their child! (Rated for language and such).