Thanatos was described as hateful in Theogony and Alcestis Later more favourbale depictions might have been driven by the same impulse that made Greeks call the Erinyes Eumenides the Kindly Ones they wanted to avert heir wrath by placating them with kind words By the way could anyone delete the info stating that Thanatos was the son of Erebos Hesiod explicitly states that the dark personifications of negative phenomena like Death Doom Blame and other ones were children of Night alone and she had them with no male partner