I think his ears aren't really improving much, because we're using a flush she doesn't like to lick, so it's helping a bit, but he still needs to see a vet. They're most likely going to drain it, and prescribe more antibiotics.
My guess is a frizzle cross, but we bought "black copper maran" hatching eggs and I think somehow the frizzle genes came in, I don't think they were marans, more of just a barnyard mix.