A keyblade is a weapon tha has magical powers. Sora comes across a lot of different kinds of keyblades on his journey. Here is a small list of the keyblades in Kingdom Hearts 1 and what movie they represent.

Kingdom Key

Jungle King (Tarzan)

Three Wishes (Alladin)

Wishing Star (pinocchio)

Crablclaw (Little Mermaid)

Spellbinder (Merlin)

Pumpkinhead (The Night Before Christmas)

Olympia (Hercules)

Fairy Harp (Peter Pan)

Lady Luck (Alice in Wonderland)

Oathkeeper (Sora's island)

Metal Chocobo (Hercules)

Lion Heart (Hercules)

Divine Rose (Beauty and the Beast)

Oblivion (from a non-disney world)

Ultima Weapon (synthesize in the game)