That's not a dog but a black-tailed gull. Black-tailed gull are the ones that go "nyaa nyaa".
Bruno Buccellati's line from JoJo.Are you ready?
I'm ready.This useless Admiral should just be my dog.Come on, let's hear you bark.Come on, come on.Nyaaa
NyaaaaaSazanami-san, forgive me!!!