In the Ghostbusters franchise, the cute green ghost known as Slimer is a mainstay, but what’s its story?

With the 2016 Ghostbusters reboot in theaters, director Paul Feig sits down with WIRED to offer the history behind the lovable character. He reveals that the famed ghost was once an infamous gangster who loved to eat.

Press play to hear the story from director/co-writer Paul Feig himself.