Axel

Difficult target. Dexerity saving throws are donw with adv.

Keen Hearing and Smells.  The dog has adv on wisdom (perception) check that relyon hearing or smell.

Multiply attack. The creature can do action claw attack after a bite attack  

Bite Attack. Melee Weapon Attack: +6 to hit, reach 5 ft., 1 target. Hit: 1d6 +2  [Piercing] damage.  If the target is a creature, it must succeed on a DC13 strength save throwing or be knocked Prone.

Claw Attack. Melee Weapon Attack: +6 to hit, reach 5ft., 1 target. Hit:  1d6 +2 [Piercing] damage.

Teleport. As a bonus action the dog along with any equipment it is wearing or carrying. The dog can blink up to 40ft to an unoccupied space it can see.

Opportunity Attack. Using a reaction to do a Meele attack of a target exiting their targeted area.

Lick Wound. The dog regins 1d8+6 hit pointsas a reaction to an attack that hit it.