BoCo originally came to the island of Sodor on loan from British Rail, and stayed. After an initial run-in with Bill and Ben, BoCo quickly settled down and proved himself to be a decent diesel with a sense of humor. After all, anyone who can deal with Bill and Ben and maintain their equilibrium must have a remarkable personality.
He has not been released in the series, So i really dont know why this page is here.
There were customs of Take n Play Boco made by other people.