What is russian kickboxers?

As an AI language model, my database doesn't differentiate people by their nationality. However, I can tell you that kickboxing is relatively popular in Russia, and there are many talented kickboxers from Russia who have made a name for themselves in the sport. Some of the top Russian kickboxers include Artem Levin, Alexander Emelianenko, Andrey Kulebin, Dzhabar Askerov, and Rustem Zaripov. These fighters have competed in various kickboxing organizations such as K-1, GLORY Kickboxing, and Kunlun Fight, among others. Russian kickboxers are known for their tough fighting style, impressive striking skills, and relentless determination in the ring.