1) Cthulhu Mythos deity 
Not to be confused with Tsar. Zhar may mean: ...[Great Old One] Zhar (The Twin Obscenities) is a fictional deity in the Cthulhu Mythos. The being first appeared in the short story `The Lair of the Star-Spawn` (1932) by August Derleth and Mark Schorer. ==Zhar in the mythos== Zhar is a Great Old One and appears as a colossal mass of tentacles. The being came from the star Arcturus, but now...