Taranis, also known as Taranus, is the Celtic god of thunder. He is often portrayed as a bearded man with a wheel. The Romans syncretized him with their thunder-god Jupiter.
Origin[]
Taranis presumably has his origin in the Proto-Indo-European god Perkwunos.
Roman Sources[]
In Roman sources, they say that the Celts made human sacrifice in his honor through a giant wooden man, but there doesn´t seem to exist any evidences of human sacrifice in Celtic lands.
the Roman poet Lucan in his epic poem Pharsalia mentions Taranis as a Celtic deity to whom human sacrificial offerings were made. The solar or thunder "wheel-god" named by Lucian.