From Emil Chronicle Wiki

Diaper Man! is a level 43 monster.

[edit] Stats

Basic	Combat
Level 43 Experience 14,700 Job Experience 14,700 HP 15,000 SP 90 MP 219 Behavior  ???	Type Water Animal Boss Skill A.SPD 4.24 ATK 250 - 350 DEF 60 C.SPD 6.40 M.ATK 250 - 350 M.DEF 42
Properties Water(50%) Item Drops Insmouse Marionette, Catty Booster, Diaper Man! Stamp Skills  ??? Location Continental Cave