Billy Porter was a roadie and technician for the Mothers of Invention during the 1960s. His nickname was Kansas and was often credited as Kanzas J. Canzus or Kanzus J. Kanzus.
He is featured on the album cover of We're Only In It For The Money and is credited as Technical on Apostrophe (') and Over-Nite Sensation. He can be heard on JCB & Kansas On The Bus and Mozart Ballet (Piano Sonata in B Flat) from You Can't Do That On Stage Anymore Vol. 5 the latter is also on Finer Moments.