A lot of the food shown is actually incredibly unhealthy and dangerous for a real dog to eat.
The second time that Winston was eating dog food, his you see a side view of his bowl that says 'Wins' and then when he is eating bacon and eggs, his bowl shows a view from the opposite side that says 'ston' this us the first indicator that Winston was the dog's name
Winston appears to be a Boston Terrier, known for being an intelligent dog breed with expressive features and playful disposition.