"Casper",[N 1] also known as 11 Rabbit, (August 8, 422 – 487?

), was an ajaw of the Maya city of Palenque from August 9, 435, to 487.

He was the immediate successor of Kʼukʼ Bahlam I, who founded the ruling dynasty.

[N 2][2] Casper came to power in August 435 at the age of 13 and ruled the city for 52 years.

Only Pacal the Great is recorded to have ruled Palenque longer.