Complex sentence: His celebration is the same of Cory Collymore's which is the waving of his back hand in front of his face, this is similar to the WWE wrestler John Cena, "you can't see me".
Split into simpler sentences: His celebration is the same as Cory Collymore's, which is the waving of his hand in front of his face. This is similar to the WWE wrestler John Cena's "you can't see me".