I came here to say Future shock. I just listened to it on the drive home.

Disturbed - Down With the Sickness

This is one of my favorite models also. It will write well on thermal paper. I especially like how it’ll write on wet paper, which is a big bonus if you do a lot of plumbing

I use a uniball power tank pen. It will write upside down, on thermal paper, and even on wet paper.

I use power tank pens. They are pressurized ink tank pens, like the space pen, but disposable.