Also known as Column Cooper , Kamrokk Yhetrahalf is the son of Otrebb and Ithacana Yhetrahalf and Twin to Nattei Yhetrahalf. He is the best friend of Kirr Rolwas , who, for 3 years (Earth-years, that is) posed as his/Column Cooper's pet dog "Ricky" (Also known as "stupid dog that barks all day" or "nonsentient being")