Croag

Darkvision. Croag can see 120 feet in the dark

Regeneration. Croag can heal 3d8+Con once every hour

Spanish or Vanish. Croag can cast Invisibility on itself

Sticky Feet. Croag naturally has Spider Climb

Standing Leap. The frog's long jump is up to 20 feet and its high jump is up to 10 feet, with or without a running start.

Bite. Chomp: +Dex to hit, reach 5 ft., 1 target. Hit: 8 (2d4 +Dex) [acid] damage.

Smack. Slap: +Dex to hit, reach 5 ft., 1 target. Hit: 12 (2d6 +Dex) [bludgeoning] damage.

Le Lick. Ranged Tongue Attack: +Dex to hit, range 10/25 ft., 1 target. Hit: 16 (2d8 +Dex) [piercing] damage. Target will be pulled to the mouth in order to be eaten

Special condition: (Target must succeed a Strength Saving throw or else be grappled by the tongue and must succeed a saving throw on the next turn)