Who is dog

Who is dogWho is dogWho is dogWho is dogWho is dogWho is dog
Who is dogWho is dogWho is dogWho is dogWho is dogWho is dog
Who is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dogWho is dog