Gocke was an associate of the Bajoran criminal Ibudan.
According to a personal calendar file, Ibudan had a subspace teleconference with Gocke on stardate 46384. This file, along with others, was reviewed by Odo when he was conducting an investigation into the murder of Ibudan. (DS9: "A Man Alone")
This character was only mentioned in writing.
Gocke was named after Star Trek: Deep Space Nine sound mixer Bill Gocke.