Ramesses VIII is the most obscure ruler of the 20th Dynasty, and the current information from his brief kingship suggests that he lasted on the throne for one year at the most.

Ramesses VIII's Prenomen, Usermaatre Akhenamun, means "Powerful is the maat of Ra, Effective for Amun.

"[7] Monuments from his reign are scarce, and consist primarily of an inscription at Medinet Habu, a mention of this ruler in one document — Berlin stele 2081 of Hori at Abydos — and one scarab.

[11] Since no year change occurs in this time interval, the accession date for Ramesses VIII must fall outside this period of this text, "i.e., within I Peret 3 to I Akhet 12.

[13] Work on the tomb of Ramesses VIII might have started before he ascended the throne, when he was known as prince Sethherkhepshef, as suggested by an ostracon discovered in the Valley of the Queens.