New Zealand prime minister John Key, who has announced he will be stepping down after eight years in the top job, has provided the internet with his fair share of eyebrow-raising content. From promising to collect Americans at the airport if they booked a ticket to New Zealand, dancing to Gangnam Style and joking that a Maori tribe were cannibals, appearances by Key are rarely dull. Here, we look back at some of the sillier moments of his time in office