Uprizn Ikpemi is a muralist who grew up around dogs and always enjoyed painting them. So when he moved to Chicago four years ago from Lagos, Nigeria, and saw how artists signed their work, he had an idea. He would put his name to his work as other artists do. And, when he could, he’d also include his dogs in them, finding a way to get his 3-year-old Bullmastiff, Peppo or his 2-year-old American bulldog, Risky somewhere in the mural. “Most artists out here have a unique style or have a...