I am sure you have noticed the filthy black mold that accumulates at the bottom of the toothbrush cup because most often the brush is not shaken well enough before putting it back in the cup. The cup has to be cleaned periodically to keep it free of mold which is a highly toxic substance.
Here is a nice, alternate and hygienic solution to this problem. There is this new toothbrush holder with toothpaste dispenser that can be mounted on the wall. It frees up space around your sink and can accommodate up to five brushes. There is a solid mounting tape at the back so there is no need for drilling any holes in the wall.
The hole in the front of toothpaste dispenser is elongated so you can see the actual dispensing of the toothpaste and, depending on how much toothpaste you want on your brush, judge how far to stick your toothbrush in, how hard to press, and when to release.
The Automatic Toothpaste Dispenser with Toothbrush Holder is $8.55.