Yes tard.
Oh there are a lot more than just 4 breeds of chicken. Here is a link that shows 60 of the most popular, but that is still only a fraction of the number of breeds. There are 200 recognized breeds and...
Yes, there's lots of different breeds.
Yes most chicken breeds are compatible with others but make sure not to put too many roosters in together with each other. :)
To make 1 super animal unless their twins ofcourse...... i.e lion and a jew to make a cherio