odd rooster behavior

I am trying to establish a flock and this is my first time. I am making so many mistakes. At this point I have a small Batchelor Flock of two (one to be added soon). I got the males in March, and the females mid May. (Did that backwards). I ordered 15 of each (what was I thinking) and the boys...

I have a pair of pure serama chickens living in a cage in my entry area. I rescued the Rooster from himself! He's in possession of a very over rated confidence in his leadership ability....he thinks he should be in charge within the flock! So he takes on or challenges any and all comers...as...