Here you can find a description of every Heartless in Kingdom Hearts!
All info of the Heartless are from the "Journal" in Kingdom Hearts.
Air Pirate...
Winged Heartless that mostly appear in Neverland. They are extremely combative and are hardly ever caught off guard. They attack with martial-arts-like techniques.
Item id #5463
Air Soldier...
Winged Heartless. They fly over their enemies and dive to strike them. Their high endurance and quickness make them tough to beat.
Item id #5450
Angel Star...
Flying Heartless that cast potent spells. They are born of holy spells. They attack from long range with magic. They block physical attacks with their wings, making them difficult to defeat.
Item id #5471
Aquatank...
Heartless resembling a fish that calmly swim the seas. They are often carry Screwdivers. Leisurely large creatures that do not attack unless provoked.
Item id #5459
Bandit...
Heartless that mostly appear in Agrabah. They can travel under the sand. They attack deftly wiht a long sword. Attack them with caution.
Item id #5451
Barrel Spider...
Gunpowder barrel turned Heartless. They charge into their enemies and explode. And physical impact or fire will set them off.
Item id #5454
Battleship...
Heartless that fused together with a pirate ship. They attack with homing and magic projectiles. Attack them at a close range.
Item id #5464
Behemoth...
Immensely powerful Heartless. With their large frame, they trample enemies, and repel most attacks. Damaging their weak point make them lose consciousness. Strike them with potent attacks while they are down.
Item id #5469
Black Fungus...
Hostile Heartless, unlike White Mushrooms. They attack with poison. Defeating them may bring good things, but it is not easy.
Item id #5473
Blue Rhapsody...
Spellcasting Heartless. They approach their enemies by bouncing about and attack with Blizzard and absorb blizzard attacks.
Item id #5445
Bouncywild...
Heartless resembling a monkey. Unlike Powerwilds, they attack from long range with a sling shot They scamper about during battle, making them difficult to hit.
Item id #5449
Darkball...
Heartless born purely out of darkness. Their movements are unpredictable, as they often make sudden moves and attacks.
Item id #5465
Darkside...
Enormous Heartless that appeared in Destiny Islands with Shadows. It led the Shadows in the battle against Sora when he first received the Keyblade. Although Sora defeated it, the island was swallowed by darkness.
Item id #5475
Defender...
Heartless that mostly appear in Hollow Bastion. They carry an eerie shield with a face that casts Fire and Blizzard and bites nearby enemies.
Item id #5466
Fat Bandit...
Heartless that mostly appear in Agrabah. They are well-balanced offensively and defensively. Besides strong physical attack, they use fire and they block attacks against them. Their movement is their weakness
Item id #5452
Gargoyle...
Winged Heartless that mostly appear in Halloween Town. They can move from one place to another almost without notice. Since they are prone to sneak attack, they often get caught off guard by counter attacks.
Item id #5461
Green Requiem...
Spellcasting Heartless. They heal themselves and other Heartless with Cure. They are slow-moving, but hover high in the air and absorb most magic attacks.
Item id #5447
Guard Armor...
Leader of the Heartless in Traverse Town. It falls apart when it receives damage, but each part attacks individually. Sora meets Donald and Goofy for the first time just before fighting this Heartless.
Item id #5476
Invisible...
Heartless wielding a large sword. Their winged Heartless can move freely through the air. Besides their sword, they attack with their tail and wings. With their high attack power, they often defeat their foes quickly.
Item id #5470
Kurt Zisa...
Heartless that emerged from the keyhole opened by the princessess. It swung its six powerful arms to attack Sora and company and block their attacks. But Sora sought out its weakness and emerged the victor.
Item id #5483
Large Body...
Big round Heartless. They seem tame and laid-back, but go berserk when they are angered. With their brute strength, they can inflict great damage, so be on your guard.
Item id #5443
Opposite Armor...
Heartless that guards the Keyhole in Traverse Town. It is a modified form of Guard Armor, but is more powerful.
Item id #5477
Parasite Cage...
Heartless that appeared inside Monstro. It's known to swallow its enemies. Sora and the others rescue Pinocchio, who was trapped inside it.
Item id #5481
Phantom...
Ghostlike Heartless that haunted the clock tower standing far away from Neverland. Fluttering its eerie cloak, it cast a spell to take Sora's heart. Having no physical body, regular attacks were useless, but in the end Sora and company discovered its weakness and prevailed.
Item id #5482
Pirate...
Heartless that mostly appear in Neverland. They are quite combative with their swords. They often just focus on the enemies in front, making them vulnerable to attacks from behind
Item id #5462
Pot Centipede...
Heartless called by Jafar to stop Aladdin. Its long body composed of a number of Pot Spiders linked together. Even if its body comes apart, it can regenerate itself by gathering other pots.
Item id #5480
Pot Spider...
Ordinary pots turned Heartless. They lie in wait as ordinary pots, then reveal themselves and attack when their enemies draw near.
Item id #5453
Powerwild...
Heartless resembling a monkey. With great physical strength and agility, they often strike with combination attacks. Avoid close-range battles with them if possible.
Item id #5448
Rare Truffle...
Nonattacking heartless that are rarely found. They like to jump, so helping them stay in the air may bring good things.
Item id #5474
Red Nocturne...
Spellcasting Heartless. While hovering about, they attack by casting Fire. Having low HP, they keep their distance from their opponents, making them difficult to attack. They absorb fire attacks.
Item id #5444
Screwdiver...
Heartless that acts with Aquatank. Unpredictable creatures, dashing forward one minute, cowardly retreating the next. They are invigorated by the sparks from Aquatank
Item id #5458
Sea Neon...
Heartless resembling a jellyfish. They swim fast, and attack in numbers. Overall, they are not tough opponents.
Heartless that mostly appear in Atlantica. They roam in dark areas and emit light from their eye to target their enemies. They can warp from one place to another.
Item id #5455
Shadow...
Heartless that emerge from various places. They sneak up to their enemies and strike them with sharp claws. They are extremely tenacious, often chasing their pray to the end.
Item id #5441
Sheltering Zone...
Heartless resembling a jellyfish. You recieve damage just from colliding with it. They move slow, but break up into many Sea Neons if struck. They fling their tentacles away to keep their enemies away
Item id #5457
Soldier...
Heartless that emerge from various places. They are brisk in their movements, and rush into their opponents. However, they are not that tenacious. They often appear in numbers, though they lack teamwork.
Item id #5442
Stealth Sneak...
Heartless that attuned to the darkness in Clayton's heart. It somehow manipulated the light to turn invisible and fought alongside Clayton.
Item id #5479
Trickmaster...
Heartless that Sora and company encounter while they searched for Alice. Its herky-jerky attacks and juggling act flustered Sora and the others.
Item id #5478
White Mushroom...
Nonattacking, friendly Heartless. They might give up an item if you help them.
Item id #5472
Wight Knight...
Heartless that mostly appear in Halloween Town. Their jerky, dancelike attack moves are fairly easy to dodge, but cause large damage.
Item id #5460
Wizard...
Heartless that attack with various powerful spells. Eludes enemy attacks by teleporting, making them tough to beat.
Item id #5468
Wyvern...
Giant Heartless that attack from the air. They are quite swift for their size and are hard to attack, especially while they are high in the air. Counterattacking when they come down would be most effective.
Item id #5467
Yellow Opera...
Spellcasting Heartless. Besides attacking with Thunder, they hurl themselves against their enemies. They absorb thunder attacks.