As of prefix: Ch. Champion (show confirmation) FC Field Champion AFC Amateur Field Champion NFC National Field Champion NAFC National Amateur Field Champion NOC National Obedience Champion OTCH Obedience Trial Champion MACH Master Agility Champion HC Herding Champion DC Dual Champion (CH & FC) TC Triple Champion (CH, FC & OTCH) CT Champion Tracker (TD, TDX & VST) As a suffix: CD Companion Dog (obedience competition) CDX Companion Dog Excellent UD Utility Dog UDX Utility Dog Excellent TD Tracking Dog TDX Tracking Dog Excellent VST Variable Surface Tracker UDTD (UDT) Utility Dog Tracking Dog, Utility Dog Tracking UDTDX Utility Tracking Dog Excellent UDXTD Utility Dog Excellent Tracking Dog UDXTDX Utility Dog Excellent Tracking Dog Excellent UDVST Utility Dog Variable Surface Tracking UDXVST Utility Dog Excellent Variable Surface Tracking JH Junior Hunter SH Senior Hunter MH Master Hunter HT Herding Tested PT Pre-Trial Tested HS Herding Started HI Herding Intermediate HX Herding Excellent JC Junior Courser SC Senior Courser MC Master Courser NA Novice Agility OA Open Agility AX Agility Excellent MX Master Agility Excellent NAJ Novice Jumpers With Weaves OAJ Open Jumpers With Weaves AXJ Excellent Jumpers With Weaves MXJ Master Excellent With Weaves JE Junior Earthdog SE Senior Earthdog ME Master Earthdog Note: Titled dogs often shown on pedigrees in RED.