Ferdie the fox was a short lived (bad pun) character in the Casper the friendly ghost universe appearing only in There's Good Boos Tonight from 1948, of all the animals in the forrest, Gertie was the only animal willing to befriend a ghost. Ferdie however became the target of a fox hunter and soon was pursued by hounds. Near the end of the cartoon, Ferdie gets shot and killed. The cartoon has a bittersweet ending for Ferdie who returns as a spirit forever able to be friends with Casper.
Internet Archive: Details: Noveltoon: Casper the friendly Ghost in There's good Boos Tonight