Can anyone identify what breed these little guys are? Thank you in advance! :)

[stacllen]

 

[junebuggena]

I see a barred Rock in the first picture. Might be a buff Brahma in the second. The solid black one looks like an Australorp. Black and white ones might be Exchequer Leghorns. No idea what the gray one might be.

 

[Mogz]

im not experienced in anyway! but i have 3 grey chickens and i think they are called bluebells? they are the only grey ones iv seen before tho