Guardians of Light

Guardians of Light are mysterious creatures that guard five lights of Light Kingdom. It was said that they are five of them in 5 Lights Pretty Cure! and each of them chose one cure, but in sequel it was revealed that there is actually sixth guardian of sixth light.

Guardian of Hope
Guardian of hope is guardian of Light of Hope. She first appeared in episode 1, when she chose Yumeko as Pretty Cure of Hope but more about her was revealed when Pretty Cure visited guardians of light in episode 25.

Guardian of Courage
Guardian of Courage is guardian of Light of Courge. She first appeared in episode 2, when she chose Keiko as Pretty Cure of Courge, but more about her was revealed when Pretty Cure visited guardians of light in episode 25.

Guardian of Love
Guardian of Love is guardian of Light of Love. She first appeared in episode 3, when she chose Rena as Pretty Cure of Love, but more about her was revealed when Pretty Cure visited guardians of light in episode 25.

Guardian of Happiness
Guardian of Happiness is guardian of Light of Happiness. She first appeared in episode 4, when she chose Ringo as Pretty Cure of  Happiness, but more about her was revealed when Pretty Cure visited guardians of light in episode 25.

Guardian of Intelligence
Guardian of Intelligence is guardian of Light of Intelligence. She first appeared in episode 5 but disappeared before she chose Mizuki as Pretty Cure of Intelligence and appear again in episode 6 and this time she chose Mizuki as Pretty Cure. More about her was revealed when Pretty Cure visited guardians of light in episode 25.

Guardian of Miracles
Guardian of Miracles is guardian of Light of Miracles. She wasn't mentioned in first season and was first time mentioned at the begining sequel and was told that she chose Bella as Pretty Cure of Miracles, but first time made her appearence later in season when more about her was revealed.

History
Guardians (minus Guardian of Miracles) appear for the first time at the beging of 5 Lights Pretty Cure when they chose girls as pretty cure. Girls met them again in episode 25 and they are also important in final battle. Guardian of Miracles is mentioned at begining of sequel but actually appear later and is like otehr 5 guardians important in final battle.