The splash in the 4th pic looks girlie to me (except for the comb). Especially next to the obvious roo. Are they the same age? The one on the left does not have the longer hackle like the one on the right and also has a straighter tail and rounded rump feathers.
Krista, I think you're right. He's playing incognito alright. I went back and looked at the pics again. The 3rd pic shows his pointy saddle feathers coming. The splash is a slow maturing boy too.
They are all the same age. These 2 have been really slow to develop. I thought for sure they were girls. I saw the Splash trying to mate tonight, so I think that pretty much confirms that he is a he. LOL.