Invader Zim # 21 (Oni Presss 2016)

Zim's finally found a way to destroy the human race his Brainwave Accelerator will melt the brains of every human on Earth in a matter of seconds!
Enter Dib, who screws things up as usual, causing the machine to malfunction and no one's brains to melt.
Instead, it causes brains to swap!
Now Gaz is Zim and Gir is Dib and Dib is Gir and Zim is Gaz and eh, just read the issue, alright?

Invader Zim # 21 is written and drawn by Dave Crosland.

Invader Zim # 21 is a 32 page comic book drawn in full color and rated T.