Hor Aha is considered as the second pharaoh of the First Dynasty of Egypt and by some identified with Menes.
See:
- E. A. Wallis Budge: The Book of the Kings of Egypt (Routledge Revivals), Routkedge 2014: Vol. I: Dynasties I - XIX, Routledge 2014, p. 8
- http://www.ancient-egypt.org/history/early-dynastic-period/1st-dynasty/horus-aha/tomb-of-horus-aha.html
