Tubbioca (5e Creature)
From D&D Wiki
Tiny construct, neutral good
Cuteness. Attacks against tubby have disadvantage.
C O N S U M E. Melee Weapon Attack: Tubby targets an Undead creature within 5 ft. Targeted creature must make a DC 18 Dexterity throw or be swallowed whole by tubby (size is irrelevant). Swallowed creatures take 2d4 necrotic damage for every round they are within tubby, and must make a DC 22 Dexterity saving throw to escape. Tubby can only have one creature C O N S U M E D at any time. While a creature is within tubby, he can mimic that creature's size, Strength, Dexterity, features, and actions. Tubby may also C O N S U M E any dead creature, and can regurgitate it at any time.
Tubbioca (or tubby, for short), is one of the cutest little creatures you'll ever meet! He has a heart full of love and paws full of cuddles! But tubby is more than just a cute little plushie - he's also capable of eating corpses and mimicking their properties! How cool is that?