Hen or Rooster

[Sammi_0411]

Yeah his a roo adorable xx

 

[HappyClucker7]

I have a 12 week old chick. Not sure if its a hen or a rooster. I thought it was a hen, but it acts like a rooster. I need to know whether or not to put it with my other hens.View attachment 2387107

The white one
12 weeksView attachment 2388693View attachment 2388694

They are both cockerels.