American truck manufacturer Mack Trucks uses the bulldog as its trademark logo. The company founded in 1900 as "Mack Brothers" is now a subsidiary of AB Volvo and headquartered in Greensboro, N.C.
The bulldog became associated with the Mack Brand during World War I, when British soldiers nicknamed the AC models "Bulldog Macks" because of their power. The nickname stuck, and chief engineer Alfred Masury crafted the signature bulldog ornament from a bar of soap while recovering from surgery in 1932. The ornament, which also functions as a handle for opening the hood, was added to trucks in 1933 and has remained since, a sign of the strength customers expect from the brand.