Hyp3rb14d 3 is a fanfic author who has written a handful of fanfics, most of which never get more than a few chapters, with the notable exception of Wait, Did That Happen Before. He was running a crossover quest on Sufficient Velocity starring Ryouga Hibiki from Ranma One Half, titled Ryouga Hibiki Quest, which can be found here. However, said quest is now dead, although a reboot of it is running on Questionable Questing.
His fanfiction.net profile is here, and contains more of his works than you'll find anywhere else. He also has an AO 3 profile here, and a topic on Space Battles following Wait, Did That Happen Before?. He has written the following fics.
''Wait, Did That Happen Before'' - A Naruto crossover with Mahou Sensei Negima, Ranma One Half, Mighty Morphin Power Rangers, and a handful of other series. After an unsatisfying life, Naruto tries to travel back in time using a ninjutsu that he doesn't really understand. Initially, it seems to work, but Naruto quickly discovers that the "past" doesn't match up with his memories.
The Legend of Zelda: The Ryouga of Time - A crossover between Ocarina Of Time and Ranma One Half. After getting her mission from the Great Deku Tree, Navi mistakes a young Ryouga (who is lost) for Link.