Bloodborne: Rapid Dog

Keen Smell. The Rapid Dog has advantage on wisdom (Perception) checks that rely on smell.

Pack Tactics. The Rabid Dog has advantage on an attack roll against a creature if at least one of the dog's allies is within 5 ft. of the creature and the ally isn't incapacitated.

Rapid Bites. When the Rabid Dog hits a creature with it's Bite attack during its turn, it can use a bonus action to make another Bite attack against the same creature.

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 4 (1d4 + 2) piercing damage.