Complex sentence: He revealed on his show on the 23rd December 2007 that he is a fan of Wikipedia, and that he also edits his page quite frequently, as people get a lot of his personal information wrong.
Split into simpler sentences: He revealed on his show on the 23rd December 2007, that he is a fan of Wikipedia and he regularly checks his page. He also remarked that he also edits his page quite frequently, as people get a lot of his personal information wrong.