Pretty Cures ; She introduces herself as . ; She is an alien from the planet who came with Prunce and Fuwa to Earth to find the Pretty Cure and ends up becoming one herself. While her presence on Earth is considered illegal according to space laws, she is allowed to remain on Earth under an alias. While serious and responsible, she sometimes makes mistakes while adjusting to Earth's people and customs. As Cure Milky, her main technique is "Milky Shock", which can be upgraded into stronger variations by using a Princess Star Color Pen. In the epilogue, she returns to Saman and becomes an inspector while helping to improve her home planet. Her theme color is turquoise. : :A shapeshifting
catgirl from Planet Rainbow, whose people were turned to stone as a result of Aiwarn's experiments. Her actual age is unknown because she uses many forms. She uses a perfume to assist with shapeshifting, but regardless of form she still has her ears and tail. She is searching for a way to restore her people by assuming the identities of the phantom thief to take back Planet Rainbow's treasures, the intergalactic pop idol to gather information, and Aiwarn's butler () to infiltrate the Notraiders. After becoming a Pretty Cure, Yuni joins Hikaru and the others to search for the Pens. As Cure Cosmo, she wields the Rainbow Perfume, which she uses in her "Cosmo Shining" technique and its "Rainbow Splash" variation using the Princess Star Color Pens. In the epilogue, Planet Rainbow is restored and she is seen with Olyfio as they watch Hikaru launch into space. Her theme color is rainbow. :The leader of the Notraiders and the primary antagonist of the series,
Ophiuchus is the exiled 13th Star Princess, who became disillusioned with the universe her fellow princesses created when they voted against her to bestow half of their collective power to all life in the form of imagination. This influenced her to turn on them, and they exiled her, but she eventually regained her strength and assumed the identity of Darknest, a snake-armored figure with an Uwabami-like serpent wrapped around her body. She eventually discards her disguise and minions, capturing Fuwa and the Star Princesses to conduct a ritual to unmake the universe and take away its light. After surviving the Star Princesses's gambit to destroy her through Fuwa, Ophiuchus is ultimately defeated by the Pretty Cures and accepts her loss, while vowing to return if things become twisted again. ; : :The second-in command of the Notraiders, he is an
oni-like alien who became Darknest's follower after his planet was destroyed and she promised him power. He possesses immense physical strength and has a bracelet that can increase the commanders' powers. During his final battle, he battles the Cures until he learns of Darknest's identity as Ophiuchus and the one who destroyed his home planet. Garouoga attempts to kill Ophiuchus before she places him and the commanders under her control by twisting their imagination; the Cures purify them before Aiwarn takes them to safety. In the epilogue, he and the other Notraiders are shown to have converted their former headquarters into a botanic garden.
Commanders Garuouga's subordinates, who aid in reviving Darknest and each use a different method to battle the Pretty Cures. Garuouga later increases their powers, with Darknest upgrading their abilities further. ; : : A
kappa-like commander who wields a
lightsaber-like dual blade. He originates from a planet that was destroyed as a result of other races exploiting its naïve people, which led to conflict. This caused Kappard to believe that people from other worlds are incapable of coexisting with each other, and his desire for revenge led him to join the Notraiders. While initially seeking to capture Fuwa by any means, he is also a warrior who considers the Pretty Cures as worthy opponents. After being empowered by Darknest, his blade can now take the form of other weapons by absorbing other peoples' imagination. Given a final chance, he confronts Hikaru by using his own imagination to further power up his weapon, but the Cures manage to defeat him, only for Darknest to take him back to the headquarters. During his final battle, he clashes with the Cures until he discovers Darknest's identity as Ophiuchus. He attempts to kill her with his allies, but she puts them under her control by twisting their imagination. The Cures are able to purify them before Aiwarn takes them to safety. In the epilogue, he and the other Notraiders are shown to have converted their former headquarters into a botanic garden. ; : : A playful
tengu-like commander armed with a fan who originated from Planet Guten. She joined the Notraiders after becoming an outcast due to her small nose, since Guten's people value longer noses. Tenjou strategizes her attacks on the Pretty Cures, though she is more interested in the Star Princesses' power than capturing Fuwa. She often use the Notrei as
Human chess pieces to fight the Cures, and after receiving an upgrade from Darknest, she gains the ability to seal a person inside a Nottorei by twisting their imagination. As shown in episodes 39, 42 and 43, she has a rivalry with Elena because they have similar pasts of being ostracized. When she attacks her homeland, Elena understands her feelings and attempt to reconcile with her, but she refuses. During her final battle, she clashes with the Cures until she discovers Darknest's identity as Ophiuchus. She attempts to kill her with her allies, but she puts them under her control by twisting their imagination. The Cures are able to purify them before Aiwarn takes them to safety. In the epilogue, she and the other Notraiders are shown to have converted their former headquarters into a botanic garden. ; : : A brat
Hitotsume-kozō-like commander who is armed with a laser pistol and sees others as subjects in her experiments. She was responsible for petrifying the denizens of Planet Rainbow, and has developed a way to corrupt the Princess Star Color Pens into . Aiwarn uses the Dark Pens to create Notriggers from her targets' imaginations, with their strength boosted after Darknest enhances Aiwarn's power. Following the revelation that Bakenyan is one of Yuni's disguises, Aiwarn seeks revenge on her for being kicked out of the Notraiders, while modifying Yuni's spaceship into a personal transforming robot called Aiwarn Robo Unit 16. She makes numerous attempts on Yuni's life until she is stopped from petrifying Planet Uranei's residents, with Yuni apologizing to Aiwarn once realizing she had no home other than with the Notraiders. Aiwarn leaves after declining Yuni's offer to live on Earth with her and the other Cures. During the final battle, she aids the Cures against her former allies, and in the epilogue is shown to have helped restore Planet Rainbow and befriended its people.
Grunts ; : : The foot-soldiers of the Notraiders, who are armed with laser blasters. Later on, Tenjou receives power from Darknest and gains the ability to use peoples' imagination to turn them into a giant version of themselves. ; : : Aiwarn's monsters, which she creates using a Dark Pen. Each Notrigger's form is based on an object or strong desire from a targeted person's imagination.
Hoshina family ; : :Hikaru's grandfather, who enforces strict rules around the house. ; : :Hikaru's mother, who is a
mangaka. ; : :Hikaru's grandmother. ; : :Hikaru's father, who works overseas
studying aliens and
cryptids. ; : :Hikaru's pet dog.
Lala's family ; : :Lala's father, who is an AI researcher. ; : :Lala's mother, who is a doctor of
rocket engineering. ; : :Lala's older twin brother.
Amamiya family ; : :Elena's father, who is Mexican and the owner of Sonrisa. ; : :Elena's mother, who is Japanese and an interpreter. ;, , , , : :Elena's siblings.
Kaguya family ; : :Madoka's stern father, who works for the government and perceives aliens as a threat while forbidding his family from keeping secrets. ; : :Madoka's mother, who is a famous pianist.
Yuni's family ; : :The queen of Planet Rainbow, who was petrified along with the rest of its denizens but was later revived.
Others ; : :A dragon-like alien from the planet Zeni. ; : :A hitchhiking
hermit crab alien from the planet Pururun who has a yellow bucket on her back. ; : :Hikaru and Lala's classmate. ; : :Madoka's classmate. ; : :Madoka's good friend. ; / : :A girl who is the main protagonist of ''
Healin' Good Pretty Cure'' and the pink-colored Pretty Cure of Flowers. ; : :A brown dog-like fairy from ''
Healin' Good Pretty Cure'' who is the
Movie characters ; : :A chick-like alien who appears in
Precure Miracle Universe. He is from Planet Miracle and develops Miracle Lights. Yango framed him in the factory's malfunction, and he seeks the Cures' help to help him clear his name. After Yango's defeat, he is appointed as a maker of Miracle Lights. ; : :A manipulative and deceptively crow-like alien from Planet Miracle, who is the main antagonist of
Precure Miracle Universe. Working for the president at Planet Miracle to end the threat around the universe, he was sent to bring Piton and the Cures in because he believes they are responsible for the disappearance of the Miracle Lights. It is later revealed that he caused the factory's malfunction and framed Piton for it. The Cures help Piton expose his corruption and gather their feelings to purify him, expelling the darkness inside him. ; : :An owl-like alien and head of Planet Miracle. ; :A star-like alien appearing in
Star Twinkle Pretty Cure the Movie: These Feeling within The Song of Stars. She sings instead of speaking and is a "Star Drop". She befriends the Cures before the alien hunters target her for bounty. When Burn attempts to capture her, she goes berserk and becomes a massive planet. Hikaru and Lala's song is able to reach her, and she takes on a humanoid form resembling both of them before disappearing. ; : :A dog-like alien appearing in
Star Twinkle Pretty Cure the Movie: These Feeling within The Song of Stars. She is a Starry Sky police detective who is sent to arrest Yuni. She can be a little over the top at times. She also appears in episode 36. ; : :A gang of five alien hunters targeting UMA who serve as the main antagonists of
Star Twinkle Pretty Cure the Movie: These Feeling within The Song of Stars. They invade Earth to capture UMA to collect a bounty, and the Cures confront them to protect UMA. When Burn attempts to capture UMA, it causes her to go berserk. After UMA's departure, Mary Anne incarcerates them. ==Media==