According to multiple sources, including, , and, Russell uses chocolate to lure Kevin in the 2009 Pixar film "Up". Kevin is a giant flightless bird that Russell and Carl Fredricksen encounter on their adventure to South America. Kevin is being hunted by Charles Muntz, an explorer who wants to capture the bird for his collection. Russell is able to befriend Kevin by offering him chocolate, which Kevin loves so much that he is willing to follow Russell and Carl wherever they go. This comes in handy when they need Kevins help to fly the house to South America. In the end, Russell and Carl are able to save Kevin from Muntz and help him return to his home in Paradise Falls. Kevin is so grateful to Russell that he gives him a chocolate feather as a gift.