Naman and Sageeth

This is the original representation of Naman and Sageeth as shown in "Skinwalker."

Here is a photo supposedly taken inside the caves, although it's obvious that the glyph in the photo is not the same as the original.

Here's a shot of the book Clark and Lex took a look at in Clark's loft during "Talisman:"

Finally, there was the Clark/Kal-El parallel to this symbol in the Season 4 premiere, "Arrival."