Why have one mega-successful zombie TV show when you can have two? AMC's Fear the Walking Dead, a companion series to, naturally, The Walking Dead, comes from the imaginations of original comic book creator Robert Kirkman and Sons of Anarchy writer Dave Erickson. With a brilliant, inclusive ensemble cast and ironically sunswept Mexican vistas underscoring the visceral and psychological carnage, Fear the Walking Dead has, over its 5 seasons, carved out its own identity separate from (and to some folks, better than) its more well-known predecessor. Now, we've got a first look at season 6 below -- …