Der Blaue Schriftsteller.
Since my university in Thailand is a total joke and our last class was even more of a joke (literally: we were all very unruly like 7th graders so the professor kicked us out in a fury)...
... I don't even remember what I was saying before I interrupted myself. So anyway, this photo is a result of my boredom. I was actually just trying to get a close-up of the pen, but my friend decided to jump in.
(If you get the reference in the title without cheating then I'll be your best friend. I'll only be your half-friend if you cheat).