How I waste time at work

I work at a printing company. We often end up with scrap paper which I hoard at my desk to doodle on while the hamster wheels powering the outdated computer and servers catch up or while waiting for large emails to come through (if I try to do other activities often my computer crashes so it's better to find other ways to occupy my time). The following are just a random assortment of those doodles. OK, not totally random since I tried to pick ones where I used color...