Sketchbook- training and study about AU Invader Zim verse

This is a selection among many sketches made during the isolation period. i made a minimum of 5 pages a day to give me a good rhythm. most of them are related to original characters in the universe of invader zim; discussions between fans and ideas that came up while reading the comics or watching the series. it s pretty dumb, but i still have a lot of fun with the ideas.