What kind of guinea pig is "Charlie the drunk guinea pig"?

ian hecox and anthony padilla from smosh... Their guinea pig. From this video: a href="http://m.youtube.com/watch?gl=US&hl=en&client=mv-google&v=Xo_qs9JzXw8" rel="nofollow"http://m.youtube.com/watch?gl=US&hl=en&c…/a