No. Bull terriers are small to medium sized.
If we are talking about the American Pitbull Terrier then the weight is typically between 35-65 pounds.The American Staffordshire is usually bigger.
Bluenose is just a color. Others are red nose, white, black, brindle,...
The only difference in a red - nose and a blue - nose is simply just the color of their skin,fur,eyes,and nose.