Is it normal that i brush my teeth with soap?

Not normal or healthy. You should try out for an episode of My Strange Addiction. There have been people on there who eat chalk, toilet paper, detergent & other non-food stuff.

The chemicals and stuff in the soaps not good for your teeth

You know soap is a petroleum product, right? its oil based anymore, with the exeption of Amish-made lye soaps. because of this, soap tends to leave a film on the skin and would be a problem for the teeth. the soap also would not cut through plaque very well.

A more effective way to clean a toothbrush would be to use something alcohol based, like listerine or rubbing alcohol, followed by a thorough rinse.

Also, every few weeks, i would boil your toothbrush in water for a few minutes, followed by a cold water rinse.

wow you must swear alot to put soap in your mouth XD

What kind of soap? HAHAHA

You should start brushing them with semen.

That's not healthy

If you continue, this will most likely rot your teeth. :\

Do you have pica?
This is very dangerous.