Coventry & Kaluza Coventry and Kaluza are “clown school sweethearts” hailing from the Clown Conservatory at the San Francisco Circus Center. Their show won Best Comedy/Clown Act in the American Circus Festival two years in a row, and best duo in the Picklewater Free Circus Festival two years in a row. Credits include: Teatro Zinzanni Events, New Pickle Circus, Pickle Circus School Tour, Sweet Can Productions, Circus Bella, Flynn Creek Circus, and more.