Agag
the name means flame Strong's Lexicon
Agag, king of the Amalekites, was spared by Saul but killed by Samuel.
From Easton's Bible Dictionary
Flame, the usual title of the Amalekite kings, as "Pharaoh" was of the Egyptian. (1.) A king of the Amalekites referred to by Balaam (Num. 24:7). He lived at the time of the Exodus.
Easton's Illustrated Bible Dictionary, 1897 — public domain, quoted in full and unedited.