Svetlana the Sly is one of the main antagonists of the Dragons: Rescue Riders episode, Hunt for the Golden Dragon.
When the Rescue Riders went in the cave to find the Golden Egg, which is extremely rare, Svetlana the Sly used a big belzium, which is highly magnetic to magnetize the Rescue Riders, since all of them have metal clothing and saddle. The Rescue Riders escaped when Svetlana left them. When the Rescue Riders went out of the cave, they saw the three pirates' boats, which has three different crews that belong to Svetlana the Sly, Erik the Wretched and Waldondo del Mundo. The Rescue Riders pushed the boats and the pirates started fighting each other because of confusion. The Riders went in the cave of the Golden Dragon and her golden egg is there. The Riders asked for her golden glitter in order to make three fake golden eggs. The riders went with their fake golden eggs. Two got broken and one accidentally fell underwater. The pirates thought that was real and they went away. The real egg is saved.
Svetlana the Sly appeared to be Russian or at least having Russian descent. Her name and accent sounded Russian. She also had a Russian traditional hat.
Svetlana wanted the Golden Egg, so that she will be rich. She does not care about others, since she magnetized the Rescue Riders and left them.