The image you posted comes from an account that hasn't been verified by Twitter.
A verified account has a badge next to the account name placed there by Twitter.
Any random can open a Twitter account using any name that hasn't already been taken.
A number of people open parody accounts of famous people for various reasons, one being satire.
Archived example of Rudy account with no verification badge next to name. http://archive.is/QxxOx
Example of a verified account with tick badge next to account name.