Chicken the blue brindle French Bulldog has garnered quite a following since she was featured in a great GoPro TV commercial. Dad Travis Pynn says a year-and-a-half ago he and his wife saw a blue ...

The secret in the rarest French bulldog colors is in the DNA. For instance, if we look under the hood, Gracie has a rare DNA combination of At/a, B/b, Co/co, D/d, N/S, and S/L.