The Olde English Buldogge has an athletic appearance. The muzzle is short. The high set ears can be rose or button and the teeth are undershot. The eyes are deeply set. They are well proportioned and the tail is straight.
The small, athletic Jack Russell looks similar to the Fox Terrier. They have a small chest and a flexible body. The nose is black, the eyes are almond-shaped and the ears are v-shaped. The tail is carried gaily and is set high.