Dogfolk (5e Template)
From D&D Wiki
Dogfolk started as a joke between two prepubescent Wizards attempting the level 9 transmutation: True Polymorph which was well above their skill level. By attempting to transform each other into dogs, some part of the spell went wrong which resulted in them being stuck as anthro-canines. With the features, limbs and tail of a dog, but the body and mind of a human.
The can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The regains spent legendary actions at the start of its turn.