Dark Lord Dumbledore
R.O.B was tired of reading about how Albus Percival Wulfric Brian Dumbledore was the greatest wizard of all time and how he craps rainbows.
He wanted to tear off the facade so that Dark Lord Dumbles is exposed for the villain he really is. To do so, he enlists the help of a like-minded geek and throws him into the body of baby Harry Potter when he was struck with the killing curse.
The first book in the series: A Chad in the Multiverse.
https://www.patreon.com/Chado_Sama
A Harry Potter SI fanfiction.
Obviously, this is a fan-fiction with systems or ideas from other novels, so credit goes to original authors. Also, this is a work of fiction. Names, characters, businesses, places, events, locales, and incidents are either the products of the author's imagination or used in a fictitious manner. Any resemblance to actual persons, living or dead, or actual events is purely coincidental.