Simplify the following text for a Grade 12 native English-speaking person.
Original: Also the Classic Maya god of rulership and thunder known to modern Mayanists as `` God K '' , or the `` Manikin Scepter '' and to the classic Maya as K ` awil was depicted with a smoking obsidian knife in his forehead and one leg replaced with a snake .
Simplified: Also the Classic Maya god of rulership and thunder known to modern Mayanists as `` God K '' , or the `` Manikin Scepter '' and to the classic Maya as K ` awil was shown with a smoking obsidian knife in his forehead and one leg replaced with a snake .