Alfonso I of Creeperopolis
|Reign||8 February 1231 – 3 July 1264|
|Coronation||15 September 1231|
|20th Emir of Rabadsun|
|Reign||8 March 1230 – 8 February 1231|
|1st Holy Protector of the State of the Church|
|Reign||19 July 1258 – 27 April 1365|
Rabadsun, Emirate of Rabadsun
|Died||3 July 1264 (aged 71–72)|
|House||House of Martínez|
Alfonso I of Creeperopolis (1190 – 3 July 1264), also known as Alfawnasu III of Rabadsun, was King of Creeperopolis from 1231 to his death in 1264. He established Creeperopolis with its capital as Salvador in 1231.
Alfonso I was the emir of the Emirate of Rabadsun until 1231 when he declared independence for the Creeperans beginning the Creeperian Crusade. He would establish the First State of the Church in 1258. He is commonly known as Alfonso the Great.