He brags to Jack that Englehorn can make a lot of money from capturing exotic creatures such as the 'white rhino' and so on, before being halted by the appearance of Englehorn himself, who puts a temporary halt to Choy's seemingly talkative nature. He also shows Jack Driscoll to his accommodation in the storage area of the The Venture (where Captain Englehorn normally keeps captured animals).
He is best friends with the cook Lumpy, and seems to accompany him everywhere.
