The first is a Delaware. Looks to be a cockerel.
The second looks like a Light Brahma. Looks to be a pullet.
Don't know about the third, but the people who said Silver Phoenix are proabably right. Roo.
I am curious why you say #1 is a roo?
It is the most friendly one of the whole bunch.
When I approach the coop it comes running, and loves to snuggle every chance it gets.
I think you have,1 Delaware. 2 Light Brahma. 3 Silver Phoenix .
Roo on the first one based on the hackle and saddle feathers. I would prefer to see the comb to make my decision. 2 is a pullet. 3 is a rooster.
They are all pretty.