Some good answers in the posts above

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Let's see :
Fall in love - Princess Carline from Midkemia always pushed the right buttons for me

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To war with (on your side) - Tasslehoff - at least I would die laughing
To war with (as enemy) - I think Lioness got it right in picking someone pretty thick and dim as an enemy, but if there was someone I hated to see come out on top, and would oppose at every opportunity it would be Prince Regal of the Six Duchies
And most like to thank - why not Gollum, for saving the world (what has it got in it's pocketses the nastty squeeker, it's my precious I tell you, miiiiiiiiiiinnnnnneeeeee.
Good thread - I will keep an eye out for updates

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