Lums have an appearance of a Firefly, due to their illuminous faces and wings. Though they have a cutesy/crazy appearance, they look like fireflies even though they turn red.
Rayman 2 to restore the Heart of the World. They are the most basic of all lums. They reappear in Hoodlum's Revenge as collectibles and score-boosters.
Super Yellow LumsEditSuper Yellow Lums are the same thing as Yellow Lums, but are worth five of them. In Rayman: Revolution, these don't exist at all, yet the manual states that they do. Rayman: Hoodlum's Revenge. They restore health when used. One was turned into Andre when Rayman's loose hands scared it. In Rayman Origins red lums are worth twice as much as yellow lums. Carmen the Whale have the same use, but are highly more effective. Rayman dies, he is either brought to the beginning of the level or to where he obtained the last Green Lum. Rayman Arena. Rayman 2, Ly gives Rayman his powers through these. Globox usually delivers them by holding them in his mouth. So far, they have given Rayman the power to shoot with his fists, use the helicopter, swing from the Purple Lums, and charge the power of fists.
Black Lums are vicious, twisted lums that have been turned evil. They are originally Red Lums that have been scared to death. Andre is the leader of all black lums. They can turn into Hoodlums, black lums that wear hoods, hence the name. Hoodlums have a wide variety of forms, usually carry guns, and are the main foes in Rayman 3: Hoodlum Havoc.
Lums sort of resemble fairies from some games in Legend of Zelda series, as they both are glowing orbs with wings.