"SNN" is indeed a fictional cable television station but is beleived to be a paorody of the real cable television station "CNN" ("Cable News Network"). More information is available by clicking on the following link, .
"Crust E. Krotch's" is indeed a fictional pizza restaurant but is believed to be a parody of the real pizza restaurant "Church E. Cheese's." More information is available by clicking on the following link, .