Minccino (5e Creature)
From D&D Wiki
Tiny beast, any alignment
Skill Link. When the minccino takes its multiattack action, it can make one additional Tail Slap attack as a bonus action.
Familiar. With the DM's permission, a person who casts the find familiar spell can choose to conjure a minccino in stead of a normal mouse.
Multiattack. The minccino makes two tail slap attacks.
Tail Slap. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 1 bludgeoning damage.