Might it have been one of these, Rev? :roll:
Cacodemon? Cad? Calculating? Cagey? Caitiff? Cankered? Cantankerous? Card? Cartesian? Catty? Contemptible? Cavalier? Censorious? Certifiable? Charlatan? Chary? Complicated? Cheerful? Childish? Cherubic? Churl? Claptrap? Cloven-hooved? Clumsy? Codswallop? Capricious? Cocky? Comedienne? Compassionate? Compeer? Complaisant? Cerebral? Cancerian? Con? Conservative? Conceited? Caustic? Chilly? Callous? Cliche? Chaste? Calliope?