We can claim continuity with whatever we want. The wiki is a little overzealous in describing them as tengrists, though. It’s an assumption based on the assumption that they were turkic.

We also claim continuity with the guys that went to the Volga and Italy. It’s all holy bulgarian land which will be united with the fatherland one day. Pannonia, too. Only then can we think about annexing the Crimea to correct the unfortunate mistake of some dude on a russian TV show.