DOOM AWAITS ( Invader Zim x Destroy all Humans crossover / Male reader insert)

What will happen if two Irken Invaders land on Earth on a Mission to recover a crashed Irken Scout Ship? Who will join them on their Mission to total Planetary Domination? And who will stand against them? Irken flying saucers annihilating entire Citys. Humanity getting infiltrated by an Alien Empire. Load your Disint...

An Irken In Gravity Falls(Invader Zim X Gravity Falls Crossover)

When Dib's plans of spending Summer break spying on Zim is crushed by his dad sending him away to a small town called Gravity Falls he soon discovers his dad unknowingly sent him to a place Dib could only dream of. Dib meet's Mabel and Dipper during his stay and immediately becomes fast friends with the Mystery Twins...