O'Neil's Kennels is where Roger takes Hayley to pick out a dog to train in order to beat Jeff and his dog Fleabiscuit in "Fleabiscuit".
When Roger identifies the trainer by an odd-name, Hayley speculates that it is probably another one of his personas. He assures her that he can't be everyone and is not the trainer, but turns out to be the dog, later named Ryan, instead.