In my book, its Lt Col William Barret Travis, Republic of Texas Forces, Commander, Alamo Garrison. Him, and another 180 odd men are all heros in my book.
They didnt have to stay. They did, and died to give Sam Houstons Army a fighting chance to organize. Without thier sacrifice, Santa Anna would have never been defeated at San Jacinto, and Texas would have never been a Republic.
If we should have to fight, we should be prepared to do so from the neck up instead of from the neck down. General James H. Doolittle, USAAF