Doctor Who enthusiasts, armed with sonic screwdrivers, were also among the attendees. All attendees older than 12 were required to provide proof of vaccination to attend the event. The event was held at the ExCel London exhibition centre on the royal docks. I put a wooden dowel through the rear end of the body to attach the legs to. Leveling comes during a battle. Joaquin Phoenix’s Joker had inspired several fans to replicate his style.