Musical crossover (Grim Adventures...by Shinshinjane
Songs that were used in the Grim Adventures of Billy & Mandy merge into Invader Zim and have the cast singing it.
I own nothing Not the shows. Not the songs. Not the cha...
Completed
Freedom (A Grim Adventures Fanfict...by BritishLucario
The Grim Reaper, who lost a bet to two little kids and has to be the best friend/slave of them forever, is sick and tired of it all. He wants to feel the freedom of bei...