Bullwinkle’s Top Hat Bistro is located in Miamisburg, Ohio just south of Dayton and near the Dayton Mall. Take the Dayton Mall exit #44 (Route 725 / Miamisburg-Centerville Rd) Head west on 725 into Miamisburg. Turn left onto North Main Street and a quick right into parking lot area to find great BBQ! Established in 1986. Bullwinkle’s Top Hat Bistro was started in 1986, and we quickly became known as one of the Miami Valley’s “hot spots.” This forged Bullwinkle’s into one of southwest Ohio’s more successful independent eateries.