2

2 is the King of Number Island for unknown reasons, since he is worse than 3.

Early Life

 * 2 started his life as a common number that lived in Number Island, his parents were Miss 13 and Mr. 14.

Evil Twin

 * His evil twin is -2 that lives in the Negativerse in Negative Island and is a total freaky number that wants to rule the world.

Twotroversy

 * 3 doesn't accept 2 as the King of the Island
 * Strangely enough he has no castle, since the isle has just one building: the !'s Orange House.