Banana Boat served as best man for Gwen Cooper and Rhys Williams' wedding. As such, he was to personally check matters such as the wedding cake, disco, flowers, seating. (TV: Something Borrowed)
The Ninth Doctor was the best man at the wedding of Dave Tonbridge's parents over forty years before 2005. (PROSE: Have You Seen This Man?)
Bernice Summerfield was Irving Braxiatel's best man at his and Veronica Bland's wedding. (AUDIO: Braxiatel in Love)