Russian Blue
Mr. Tinkles contracts a Russian Blue mercenary named Dimitri Kennelkoff, who tricks Lou and places a bomb on Brody's lab door. Kennelkoff battles Lou and Butch, damaging the Brodys’ house until Butch disables the bomb and captures Kennelkoff. During interrogation, the dogs recover a note by Mr. Tinkles from Kennelkoff's stomach.