Moop

Moop is the moon spirit that along with Foop can call forth pretty cure's upgrade accessories. He can also channel his power through Flappy to allow Hyuuga Saki to transform into Cure Bright. He always ends his sentences with "mupu".

Futari wa Pretty Cure Splash Star
Moop premiers in episode 25 along with Foop when Mishou Mai and Hyuuga Saki restore the fountain of the moon. They are timid at first and only shown to spy on the girls and follow them back to the Land of Greenery but soon come to live with Hyuuga Saki. They are somewhat mischievous and wander off at times causing problems for Saki and Mai.

Relationships
Moop and Foop are somewhat mischievous and fascinated by the land of greenery. They wander off at times which causes trouble for their companions. Both of them live mostly with Hyuuga Saki but sometimes with Mishou Mai.

Foop- Moop is almost always seen with Foop. They seem to be very good friends.

Kiryuu Michiru and Kiryuu Kaoru- both Moop and Foop have a connection to Michiru and Kaoru. It is revealed that these girls spared them and saved their lives once. Moop and Foop both believe thse girls to be good people.