Zerbo (Kenan Thompson), bloodrider to Khal Drogo, co-hosts Khal Drogo's Ghost Dojo a talk show featuring the hundreds of Game of Thrones characters who have been killed off.
David chats about his reaction when he first received the Red Wedding script, why Walder Frey is so much fun to play, fan reactions to him and whether he might be coming back for S4.
