Holly Potter gets a visitor in the night who has a lightning bolt scar on his forehead, an eyepatch on his left eye, and Potter for a last name.

"I am not the King Who Bore the Sword. I am not Daemon Blackfyre. I am Daemion of Lys. There is no lust for the Iron Throne in me. But your offer does intrigue me." (OC Blackfyre Self-Insert)

The burnt piece of parchment had the name Harry Potter written on it. The only problem was that it didn't specify which Harry Potter, and the Goblet of Fire only chose those who were worthy, which meant that a certain Master of Death was pulled from the future. (Master of Death Harry Potter Dimension travel)

Helena runs into an old man whilst on the precipice.

"Harry? Isn't he perfect?" "Well, for a future dark lord in an infant's body, I guess he's okay." "Harry! Don't say things like that. You're going to upset little Tom." - Being thrown back to the year 1927, Master of Death Harry Potter does the only thing he can do, adopt Tom Riddle as his son.

Cersei, Jaime, and Tyrion have an older brother who knows something. Lannister centric fic! (OC Lannister Self-Insert)

After Harry Potter defeated Voldemort and united the Deathly Hallows, he thought his work was done, but Death had other plans. Becoming the Master of Death was only the first step, and now he had to gather the six Infinity Stones, for Death had showed him what would happen if he did not, and genocide on a Universal Scale wasn't exactly an enticing alternative.

"You are a first-year student who has been doing magic for all of a month. I have been doing it for longer than you have existed. But I can say that I have no intention of harming Severus. He is my cousin after all, and blood is thicker than water." - Severus Snape has cousins at Hogwarts and it changes everything - (OC Prince Family Self-Insert)

With his father imprisoned on Azkaban, and the war growing ever closer, Theodore Nott decides to act in his own favor. (Half-Blood Prince AU)

AU - Kaladin Stormblessed takes the Shardblade instead of giving it away.

Phil Coulson attempts to recruit Great Britain's richest man, the CEO of Gryffindor-Potter Industries, with mixed results. (Harry Potter X MCU oneshot)

Cersei, Jaime, and Tyrion have two older brothers who know something. Lannister-centric fic! (OC Lannister Self-Insert)

The Tri-Wizard Tournament is held in France and everything changes. Featuring - OC Malfoy Self-Insert! Pureblood Politics & Customs cranked to 11! Lots of OC Characters!

Andromeda is smitten with Ted Tonks and is not as subtle as she thinks. Thankfully she has Corvus Black to the resuce, with his reluctant (kinda) sidekick Narcissa! There are just some things that Corvus wants to remain canon and who wouldn't want to meet atleast one of Harry Potter's parents. Our Self-insert has some fun. The usual cast for a Marauders era fic, plus some extras!

Crack Fic - Harry Potter, the older brother to two idiots and resident Ravenclaw of the family, deals with his problems by drinking tea.Having a Gryffindor and a Hufflepuff as his younger brothers should have been easy, it wasn't. At least he wasn't the Boy-Who-Lived, could you imagine going through all of that shit? With-James and Lily survive! Ravenclaw Harry, SI-OC Potter kids

Time traveling Skywalkers who are also not really Skywalkers but they also are Skywalkers in all the ways that count. Anakin gets help from the best people possible, his grandchildren.

Draco Malfoy's got a twin sister and an older brother, and that changes a lot of things, especially when one of them is a Beauxbatons student arriving for the Tri-Wizard Tournament. (OC Malfoy self-insert)

Who said there had to be only three champions in the Tri-Wizard Tournament? Magic certainly didn't. Harry Potter's fourth year is about to get a very interesting... (OC Black Family Self-Insert Time traveling grandkids)

Jon Snow meets a man with one eye, a sword that has a dragonhead pommel, and a direwolf the size of a horse whilst he is with Mance Rayder's host marching on the Wall. (OC Wildling/Free Folk Self-Insert)

Christopher Weasley - Eighth Weasley Child - is an enterprising dark lord. He needs to recruit his minions like any dark lord should and what better place to do so then at Hogwarts? (OC Weasley Self-Insert)