Drawings that will Make You Want to Say "I thought Someone was Going to do it" - This is a little Frustrating

Wouldn't you be happy to see that someone had drawn a collaboration or parody you thought of? The pixiv tag "I thought someone would do it" brings these shared ideas to life. You must feel respect towards the artist, while a little jealous for not coming up with the idea first. 

This time we are featuring drawings under the tag "I thought someone would do it". Enjoy.