lol "sexy beast of a rooster," and great name
And they look like pullets to me, I see very rounded saddle feathers in the above photo. The second picture, we need a closer photo of the saddle area just above the tail to see if those feathers are pointed are not, though the way both chickens...
There are tons of pages on how to sex chickens on here. 3 months and it's pretty obvious; if you post photos others on here can help you guess. Here's a page from a master if you want to try it yourself.