One man’s epic goof, “I Am a Knife With Legs” took writer-director-producer-composer-editor-star Bennett Jones a purported seven years to make, at a reported total cost of $12,000. While some may find its joke thin from the outset, others will grok the deadpan absurdism at work here, and anyone would have to admire the singularity of vision required to steer such a willfully silly project over a long, long haul. A good bet for festival and regular midnight slots, this likable hunk of musical-comedic nonsense stands a chance of catching on as a (very) niche theatrical and home-format item whose similar sensibility might attract fans of TV’s “Flight of the Conchords” and Cory McAbee’s features (“The American Astronaut”).

Los Angeles-based comedian Jones developed his character here in standup gigs. Bene is a self-identified “international pop star” with a posh Gallic accent who expresses himself in slightly surreal Esl, and...