In Greek mythology it was the embodiment of quiet death. Keres was the embodiment of violent or bloody death. It is equivalent in Roman mythology to Mors or Letus.
Personification of death in Greek mythology; 920; 945; 957; 945; 964; 959; 962; (Thanatos, death), twin of Hypnos, the Keres brothers; in Roman mythology was Mors or Letus/Letum.