This includes morphs they should have used instead of a morph they used in a particular book. Also, things they should have morphed earlier, like the mallard. Or things you think would have looked cool, funny, or would have just ended the war quicker. And maybe morphs they should have morphed more often. Also, be sure to number all suggestions.
1) Ostrich!
Let's face it; Ostriches kick butt! As we discussed in the What would YOUR Battle Morph Be? thread, these buggers are fast and tough. If there's one thing that could have caught a Garatron, my bet would be Ostrich.