Just a color and I also prefer to call them Pekins but a lot of people sell them calling them bantam Cochins. So if you are looking to buy, please realize they might be called either but are the same thing. The splash just refers to the color. So, if you wanted to get one of those you would...
It is a splashed colored Pekin Bantam..no other names but they all are sometimes referred to as bantam Cochins.
Oh...and the hen is a white Pekin bantam.