Do you mean the Roman equivalent of Thanatos? If so, the Roman equivalent is Mors. Hope that helps, and have a great day!
Vesta: the Roman equivalent of Hestia.
Timor or Timorus is the roman equivalent.
Cybele.Her roman name is Cybele
She doesn't have a nickname. Her Roman name was Ceres and she was often confused with Gaia.
Arion is demeters son!
Artemis' Roman equivalent was Diana.