Labradoodles, puggles, dorgis, cavoodles, cavapoos: whatever you call them, there’s no escaping the explosion of designer crossbreeds parading along our streets and through our dog parks these days.

Last month, infamous internet mogul and controversial figure Kim Dotcom announced the arrival of the best man at his wedding: a caramel-coloured Cavoodle named ‘Toby Dotcom’. Whatever your thoughts on ...