The Aqua Mouse Pokémon, a Water and Fairy type.

#1 - A wild Marill saves drowning User.

#2 - Wild Marill is splashing around in User's pool.

#3 - User's pet Marill begs them to fill up the tub so it can play in the water.

#4 - Pet Marill gets water all over the house by walking around carelessly after playing in the tub.

#5 - Blank

@Wooperpartypooper