Voldemort's Grandson is Who?

Percy Jackson finds out his mom's side of the family has a evil hidden relative. He goes to Hogwarts to uncover his heritage. A/N: I'm really bad at summaries, so just go with the title.

Harry Potter and the three mysterious teenagers

The 'Golden Trio' returns for yet another year in Hogwarts, since they didn't learn much the last year. Unfortunately after the war with Voldemort, the three best friends weren't the same anymore. Their fame made them selfish people with big egos. What will happen when three new students arrive? Specially when they'll...

》Riptides《 A Harry Potter Percy Jackson Crossover

Some old guy named Dumb-old-door, accompanied by a creepy emo dude, a werewolf, and three teenagers, two of which were glaring at me like I had killed their parents, and the other looking at me apprehensively like I was some sort of murderer (which I guess I am), show up at my door and ask to come in and talk. ◀◁◑ ♢ ◐...