White Rabbit

The White Rabbit is a minor character who inhabits Wonderland, serving under the short-tempered Queen of Hearts. He often carries around a large stop-watch, even though he is constantly late. His role in the Kingdom Hearts series is usually to royally introduce his queen, blowing his trumpet to signal the beginning of the usual Wonderland trials.

Kingdom Hearts
''Loyal servant to the Queen of Hearts. He led Sora and his friends to the Queen of Hearts' castle.''

He wasn't late for his appearance in "Alice in Wonderland" (1951).

Kingdom Hearts: Chain of Memories
A loyal retainer of the Queen of Hearts.

He always carries out the Queen's orders no matter what they may be.

Kingdom Hearts
The White Rabbit was seen by Sora, Donald, and Goofy in Wonderland. He appears to be late for something important. The Rabbit runs through a series of doors. The trio follow him and end up in the Bizarre Room. They find the Rabbit smaller and going through another door. Sora is confused on how the White Rabbit got so small. The Doorknob suggests that he drinks the bottle on the table in the middle of the room. After having shrunk, Sora, Donald, and Goofy find themselves observing Alice's trial. The Rabbit trumpets a horn, signaling the start of the trial.

Kingdom Hearts: Chain of Memories
The White Rabbit is seen again running towards the Queen's Castle and mentions that the Queen will have his head for sure. This makes Donald comment that this world may look peaceful but sounds dangerous. The White Rabbit again presides over the trial against Alice, but this time for Alice stealing the Queen's memory.

Kingdom Hearts 358/2 Days
He appears in this game, running late to go see the Queen of Hearts and Luxord and Roxas witness this.

Kingdom Hearts coded
The White Rabbit will appear in this game interacting with Sora in Wonderland.