According to Jewish tradition, yes; and this is referred to when the scroll of Esther identifies him as The Aggagite. Agag was a king of Amalek in 1 Samuel ch.15.
There is no such holiday called 'Haman'. Haman is a character in the story of Purim.
The book of Esther. See related link.
If you're referring to the cookies eaten during Purim, they're called either Oznei Haman (Haman's ears) or Hamantashen (Haman's hat).
Hamada is not in the Old Testament. Maybe you mean Haman? Haman is in the book of Esther. He is the prime minister of King Ahasuerus. Haman plans to have a Jew named Mordecai killed but Haman's plan is thwarted and Haman is killed
Haman Alimardani was born in 1977.
Andy Haman was born in 1966.
The population of Haman County is 63,435.
Haman was the 'Jews enemy'
Amalek attacked the Israelites in Refidim (Exodus 17). See also 1 Samuel ch.15.
Garga Haman Adji was born in 1944.
Battle of Haman happened on 1950-09-19.
Radek Haman was born on 1969-12-22.