The Gulo (5e Creature)
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Large beast, chaotic evil
Turning Resistance. The Gulo has advantage on saving throws against effects that can turn undead.
Multiattack. The Gulo makes two attacks: one with its bite and one with its claws.
Bite. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 9 (1d8 + 5) piercing damage.
Claws. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage. If the target is a creature other than an elf or undead, it must succeed on a DC 10 Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
Gulo is a ghoul bear. This hairless, white thing is ravenous.
This creature was described in The Undertavern, a one page dungeon by Telecanter/