With April Fool’s Day coming up on Monday, I thought it might be fun to take a look at some filmmakers who have made it their mission to yank on our lanyards (does that hurt?). So, in no particular ranking order, here are my selections for the Top 10 Mockumentaries: Best in Show – Actor-writer-director Christopher Guest has become synonymous with “mockumentary”, for good reason. He and his repertory of actors and co-writers have delivered some of the best over the last few decades (Waiting for Guffman, A Mighty Wind, For Your Consideration, et.al.) This gentle poke at dog lovers represents his own “best in show” so far. Guest “profiles” a number of participants converging to compete at a national dog show. With such a tight comic ensemble, it’s tough to single out performances, but Fred Willard is a highlight as a witless TV commentator and Parker Posey and Michael Hitchcock chew major scenery as an obnoxious yuppie couple. Also with Catherine O’Hara, Michael McKean, John Michael Higgins, Jane Lynch, Jennifer Coolidge, Larry Miller and Eugene Levy (who co-scripted). The Blair Witch Project – Love it or hate it, there is no denying the impact of this cleverly marketed horror flick. In the event that you spent 1999 in a coma, this is the one where a crew of amateur actors were turned loose in dark and scary woods, armed with camping gear, video cameras and a plot point or two provided by filmmakers Daniel Myrick and Eduardo Sanchez, who…