Nickelodeon Magazine — Nickelodeon
Issue: #200112
It is a December 2001 issue.
First appearances: Libby Folfax
Characters: Goddard, Sheen Estevez, Jimmy Neutron, Judy Neutron, Nick Dean, King Goobot V, Poultra, Ultralord, Ooblar, Libby Folfax, Ms. Fowl, Hugh Neutron, Carl Wheezer, Cindy Vortex