Sit" zozoville series from Heye. Perfect as at a 500 piece. This would have been a nightmare with a higher piece count! Very cute puzzle : r/Jigsawpuzzles
Heye Sit! (Zozoville) 500 Piece Fantasy & Gothic Jigsaw Puzzle - Walmart.com
Zozoville 500, 1000, and 2000 Piece Puzzles (choice of designs) | Happy monster, Pet monsters, 2000 piece puzzle